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100100020021121 = 234352174783527
BaseRepresentation
bin10110110000101001011010…
…001000101010011110000001
3111010102110122111122001100102
4112300221122020222132001
5101110014320111133441
6552521151522532145
730040662545245331
oct2660513210523601
9433373574561312
10100100020021121
11299931a877745a
12b28807a207055
1343b1511b455b3
141aa0c1c7a50c1
15b88c7066169b
hex5b0a5a22a781

100100020021121 has 4 divisors (see below), whose sum is σ = 104452194804672. Its totient is φ = 95747845237572.

The previous prime is 100100020021103. The next prime is 100100020021223. The reversal of 100100020021121 is 121120020001001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100100020021121 - 210 = 100100020020097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100100020021621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176087391741 + ... + 2176087391786.

It is an arithmetic number, because the mean of its divisors is an integer number (26113048701168).

Almost surely, 2100100020021121 is an apocalyptic number.

It is an amenable number.

100100020021121 is a deficient number, since it is larger than the sum of its proper divisors (4352174783551).

100100020021121 is an equidigital number, since it uses as much as digits as its factorization.

100100020021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352174783550.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100100020021121 its reverse (121120020001001), we get a palindrome (221220040022122).

The spelling of 100100020021121 in words is "one hundred trillion, one hundred billion, twenty million, twenty-one thousand, one hundred twenty-one".

Divisors: 1 23 4352174783527 100100020021121