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100220220221 = 1115329594359
BaseRepresentation
bin101110101010110010…
…1110011001100111101
3100120200112000200121012
41131111211303030331
53120222334021341
6114012431045005
710145356546652
oct1352545631475
9316615020535
10100220220221
1139559779890
121750b670765
1395b2326474
144bca3c7c29
15291873a0eb
hex175597333d

100220220221 has 8 divisors (see below), whose sum is σ = 109338465600. Its totient is φ = 91103194240.

The previous prime is 100220220197. The next prime is 100220220253. The reversal of 100220220221 is 122022022001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100220220221 - 26 = 100220220157 is a prime.

It is a super-2 number, since 2×1002202202212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220220196 and 100220220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220223221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128561 + ... + 465798.

It is an arithmetic number, because the mean of its divisors is an integer number (13667308200).

Almost surely, 2100220220221 is an apocalyptic number.

100220220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100220220221 is a deficient number, since it is larger than the sum of its proper divisors (9118245379).

100220220221 is a wasteful number, since it uses less digits than its factorization.

100220220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609699.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100220220221 its reverse (122022022001), we get a palindrome (222242242222).

The spelling of 100220220221 in words is "one hundred billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 11 15329 168619 594359 6537949 9110929111 100220220221