22101222212010 has 80 divisors (see below), whose sum is σ = 62011545273216. Its totient is φ = 5637413197152.

The previous prime is 22101222211951. The next prime is 22101222212051. The reversal of 22101222212010 is 1021222210122.

It is a happy number.

22101222212010 is a `hidden beast` number, since 221 + 0 + 1 + 22 + 221 + 201 + 0 = 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 39 ways as a sum of consecutive naturals, for example, 593143534 + ... + 593180793.

Almost surely, 2^{22101222212010} is an apocalyptic number.

22101222212010 is an abundant number, since it is smaller than the sum of its proper divisors (39910323061206).

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

22101222212010 is a wasteful number, since it uses less digits than its factorization.

22101222212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186324369 (or 1186324360 counting only the distinct ones).

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

Adding to 22101222212010 its reverse (1021222210122), we get a palindrome (23122444422132).

The spelling of 22101222212010 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-two million, two hundred twelve thousand, ten".