22221100102120 has 64 divisors (see below), whose sum is σ = 50017477086720. Its totient is φ = 8884885035264.

The previous prime is 22221100101997. The next prime is 22221100102133. The reversal of 22221100102120 is 2120100112222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22221100102094 and 22221100102103.

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, 1438903119 + ... + 1438918561.

It is an arithmetic number, because the mean of its divisors is an integer number (781523079480).

Almost surely, 2^{22221100102120} is an apocalyptic number.

22221100102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221100102120 is an abundant number, since it is smaller than the sum of its proper divisors (27796376984600).

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

22221100102120 is a wasteful number, since it uses less digits than its factorization.

22221100102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27514 (or 27510 counting only the distinct ones).

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

Adding to 22221100102120 its reverse (2120100112222), we get a palindrome (24341200214342).

The spelling of 22221100102120 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred million, one hundred two thousand, one hundred twenty".