100220102121210 has 64 divisors (see below), whose sum is σ = 241625396473344. Its totient is φ = 26603491464000.

The previous prime is 100220102121203. The next prime is 100220102121263. The reversal of 100220102121210 is 12121201022001.

It is a super-2 number, since 2×100220102121210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100220102121210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42790665 + ... + 45071955.

It is an arithmetic number, because the mean of its divisors is an integer number (3775396819896).

Almost surely, 2^{100220102121210} is an apocalyptic number.

100220102121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100220102121210 is an abundant number, since it is smaller than the sum of its proper divisors (141405294352134).

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

100220102121210 is a wasteful number, since it uses less digits than its factorization.

100220102121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287979.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100220102121210 its reverse (12121201022001), we get a palindrome (112341303143211).

The spelling of 100220102121210 in words is "one hundred trillion, two hundred twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred ten".