22102222120210 has 8 divisors (see below), whose sum is σ = 39783999816396. Its totient is φ = 8840888848080.

The previous prime is 22102222120157. The next prime is 22102222120229. The reversal of 22102222120210 is 1202122220122.

It can be written as a sum of positive squares in 2 ways, for example, as 21310216457401 + 792005662809 = 4616299^2 + 889947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22102222120210² (a number of 27 digits) contains 22 as substring.

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, 1105111106001 + ... + 1105111106020.

Almost surely, 2^{22102222120210} is an apocalyptic number.

22102222120210 is a deficient number, since it is larger than the sum of its proper divisors (17681777696186).

22102222120210 is a wasteful number, since it uses less digits than its factorization.

22102222120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210222212028.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22102222120210 its reverse (1202122220122), we get a palindrome (23304344340332).

The spelling of 22102222120210 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred ten".