100331012122 has 16 divisors (see below), whose sum is σ = 169474086144. Its totient is φ = 44133876000.

The previous prime is 100331012113. The next prime is 100331012123. The reversal of 100331012122 is 221210133001.

It is a junction number, because it is equal to n+sod(n) for n = 100331012096 and 100331012105.

It is not an unprimeable number, because it can be changed into a prime (100331012123) 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, 73555779 + ... + 73557142.

It is an arithmetic number, because the mean of its divisors is an integer number (10592130384).

Almost surely, 2^100331012122 is an apocalyptic number.

100331012122 is a deficient number, since it is larger than the sum of its proper divisors (69143074022).

100331012122 is a wasteful number, since it uses less digits than its factorization.

100331012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147112965.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100331012122 its reverse (221210133001), we get a palindrome (321541145123).

The spelling of 100331012122 in words is "one hundred billion, three hundred thirty-one million, twelve thousand, one hundred twenty-two".