100021111000122 has 64 divisors (see below), whose sum is σ = 217525704963840. Its totient is φ = 30476363387904.

The previous prime is 100021111000093. The next prime is 100021111000201. The reversal of 100021111000122 is 221000111120001.

It is a junction number, because it is equal to n+sod(n) for n = 100021111000098 and 100021111000107.

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, 669872578 + ... + 670021874.

It is an arithmetic number, because the mean of its divisors is an integer number (3398839140060).

Almost surely, 2^{100021111000122} is an apocalyptic number.

100021111000122 is an abundant number, since it is smaller than the sum of its proper divisors (117504593963718).

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

100021111000122 is a wasteful number, since it uses less digits than its factorization.

100021111000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232807.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021111000122 its reverse (221000111120001), we get a palindrome (321021222120123).

The spelling of 100021111000122 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, one hundred twenty-two", and thus it is an aban number.