22222122021102 has 32 divisors (see below), whose sum is σ = 45998979425280. Its totient is φ = 7149512381760.

The previous prime is 22222122021053. The next prime is 22222122021103. The reversal of 22222122021102 is 20112022122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222122021103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157546623 + ... + 157687610.

It is an arithmetic number, because the mean of its divisors is an integer number (1437468107040).

Almost surely, 2^{22222122021102} is an apocalyptic number.

22222122021102 is an abundant number, since it is smaller than the sum of its proper divisors (23776857404178).

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

22222122021102 is a wasteful number, since it uses less digits than its factorization.

22222122021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315234648.

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

Adding to 22222122021102 its reverse (20112022122222), we get a palindrome (42334144143324).

The spelling of 22222122021102 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, one hundred two".