102011222104 has 64 divisors (see below), whose sum is σ = 215516390400. Its totient is φ = 44846697600.

The previous prime is 102011222009. The next prime is 102011222111. The reversal of 102011222104 is 401222110201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5083162 + ... + 5103190.

It is an arithmetic number, because the mean of its divisors is an integer number (3367443600).

Almost surely, 2^102011222104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102011222104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107758195200).

102011222104 is an abundant number, since it is smaller than the sum of its proper divisors (113505168296).

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

102011222104 is a wasteful number, since it uses less digits than its factorization.

102011222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21944 (or 21940 counting only the distinct ones).

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

Adding to 102011222104 its reverse (401222110201), we get a palindrome (503233332305).

The spelling of 102011222104 in words is "one hundred two billion, eleven million, two hundred twenty-two thousand, one hundred four".