100212121010122 has 32 divisors (see below), whose sum is σ = 166251455895744. Its totient is φ = 44924477952000.

The previous prime is 100212121010077. The next prime is 100212121010123. The reversal of 100212121010122 is 221010121212001.

It is a junction number, because it is equal to n+sod(n) for n = 100212121010096 and 100212121010105.

It is not an unprimeable number, because it can be changed into a prime (100212121010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87172068 + ... + 88314175.

It is an arithmetic number, because the mean of its divisors is an integer number (5195357996742).

Almost surely, 2^{100212121010122} is an apocalyptic number.

100212121010122 is a deficient number, since it is larger than the sum of its proper divisors (66039334885622).

100212121010122 is a wasteful number, since it uses less digits than its factorization.

100212121010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175486614.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100212121010122 its reverse (221010121212001), we get a palindrome (321222242222123).

The spelling of 100212121010122 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty-one million, ten thousand, one hundred twenty-two".