2221222212102 has 64 divisors (see below), whose sum is σ = 4648742461440. Its totient is φ = 706846141344.

The previous prime is 2221222212089. The next prime is 2221222212133. The reversal of 2221222212102 is 2012122221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8886349 + ... + 9132887.

It is an arithmetic number, because the mean of its divisors is an integer number (72636600960).

Almost surely, 2^{2221222212102} is an apocalyptic number.

2221222212102 is an abundant number, since it is smaller than the sum of its proper divisors (2427520249338).

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

2221222212102 is a wasteful number, since it uses less digits than its factorization.

2221222212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247377.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2221222212102 its reverse (2012122221222), we get a palindrome (4233344433324).

The spelling of 2221222212102 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, one hundred two".