22010000120 has 16 divisors (see below), whose sum is σ = 49522500360. Its totient is φ = 8804000032.

The previous prime is 22010000099. The next prime is 22010000143. The reversal of 22010000120 is 2100001022.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 22010000098 and 22010000107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275124962 + ... + 275125041.

Almost surely, 2^22010000120 is an apocalyptic number.

22010000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010000120 is an abundant number, since it is smaller than the sum of its proper divisors (27512500240).

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

22010000120 is a wasteful number, since it uses less digits than its factorization.

22010000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550250014 (or 550250010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 22010000120 its reverse (2100001022), we get a palindrome (24110001142).

The spelling of 22010000120 in words is "twenty-two billion, ten million, one hundred twenty", and thus it is an aban number.