22022120121210 has 96 divisors (see below), whose sum is σ = 62485620125760. Its totient is φ = 5336740281600.

The previous prime is 22022120121161. The next prime is 22022120121277. The reversal of 22022120121210 is 1212102122022.

It is a happy number.

22022120121210 is a `hidden beast` number, since 2 + 20 + 221 + 201 + 212 + 10 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1368915 + ... + 6776294.

It is an arithmetic number, because the mean of its divisors is an integer number (650891876310).

Almost surely, 2^{22022120121210} is an apocalyptic number.

22022120121210 is an abundant number, since it is smaller than the sum of its proper divisors (40463500004550).

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

22022120121210 is a wasteful number, since it uses less digits than its factorization.

22022120121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147964 (or 8147961 counting only the distinct ones).

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

Adding to 22022120121210 its reverse (1212102122022), we get a palindrome (23234222243232).

The spelling of 22022120121210 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred ten".