101221222104 has 32 divisors (see below), whose sum is σ = 281170062000. Its totient is φ = 33740407296.

The previous prime is 101221222073. The next prime is 101221222139. The reversal of 101221222104 is 401222122101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 234308169 + ... + 234308600.

Almost surely, 2^101221222104 is an apocalyptic number.

It is an amenable number.

101221222104 is an abundant number, since it is smaller than the sum of its proper divisors (179948839896).

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

101221222104 is a wasteful number, since it uses less digits than its factorization.

101221222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468616784 (or 468616774 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101221222104 its reverse (401222122101), we get a palindrome (502443344205).

The spelling of 101221222104 in words is "one hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred four".