10002100010220 has 72 divisors (see below), whose sum is σ = 30339981226464. Its totient is φ = 2667202242048.

The previous prime is 10002100010173. The next prime is 10002100010233. The reversal of 10002100010220 is 2201000120001.

It is a super-2 number, since 2×10002100010220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28381332 + ... + 28731588.

Almost surely, 2^{10002100010220} is an apocalyptic number.

10002100010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002100010220 is an abundant number, since it is smaller than the sum of its proper divisors (20337881216244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10002100010220 is a wasteful number, since it uses less digits than its factorization.

10002100010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508919 (or 508914 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10002100010220 its reverse (2201000120001), we get a palindrome (12203100130221).

The spelling of 10002100010220 in words is "ten trillion, two billion, one hundred million, ten thousand, two hundred twenty".