101220212104 has 32 divisors (see below), whose sum is σ = 209877539040. Its totient is φ = 45378921600.

The previous prime is 101220212087. The next prime is 101220212111. The reversal of 101220212104 is 401212022101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7871862 + ... + 7884709.

It is an arithmetic number, because the mean of its divisors is an integer number (6558673095).

Almost surely, 2^101220212104 is an apocalyptic number.

It is an amenable number.

101220212104 is an abundant number, since it is smaller than the sum of its proper divisors (108657326936).

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

101220212104 is a wasteful number, since it uses less digits than its factorization.

101220212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15756661 (or 15756657 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101220212104 its reverse (401212022101), we get a palindrome (502432234205).

The spelling of 101220212104 in words is "one hundred one billion, two hundred twenty million, two hundred twelve thousand, one hundred four".