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100012221220211 = 172389252161981
BaseRepresentation
bin10110101111010111101000…
…111010110100010101110011
3111010010002000122200211201022
4112233113220322310111303
5101102100012113021321
6552412551413530055
730031434034613666
oct2657275072642563
9433102018624638
10100012221220211
1129959a43624873
12b27305664392b
1343a615c0846b1
141a9a88dd776dd
15b8683268bdab
hex5af5e8eb4573

100012221220211 has 48 divisors (see below), whose sum is σ = 111971260502208. Its totient is φ = 88852623974400.

The previous prime is 100012221220157. The next prime is 100012221220231. The reversal of 100012221220211 is 112022122210001.

It is not a de Polignac number, because 100012221220211 - 26 = 100012221220147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 100012221220211.

It is not an unprimeable number, because it can be changed into a prime (100012221220231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1613563841 + ... + 1613625821.

It is an arithmetic number, because the mean of its divisors is an integer number (2332734593796).

Almost surely, 2100012221220211 is an apocalyptic number.

100012221220211 is a deficient number, since it is larger than the sum of its proper divisors (11959039281997).

100012221220211 is an equidigital number, since it uses as much as digits as its factorization.

100012221220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62720 (or 62631 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100012221220211 its reverse (112022122210001), we get a palindrome (212034343430212).

The spelling of 100012221220211 in words is "one hundred trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 17 23 89 391 521 1513 2047 7921 8857 11983 34799 46369 61981 134657 182183 203711 788273 1053677 1066487 1425563 3097111 4126841 5516309 18130279 24234571 32292101 70156297 93777253 94917343 126875107 490951501 548965717 742718323 1613594831 2156876819 2873996989 8346175517 11291884523 12626211491 48857948813 66101930747 191962036891 255785732021 1123732822699 4348357444357 5883071836483 100012221220211