221102212022022 has 64 divisors (see below), whose sum is σ = 452117000208384. Its totient is φ = 72066086830080.

The previous prime is 221102212021997. The next prime is 221102212022089. The reversal of 221102212022022 is 220220212201122.

It is a super-2 number, since 2×221102212022022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221102212022022.

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, 159071238 + ... + 160455174.

It is an arithmetic number, because the mean of its divisors is an integer number (7064328128256).

Almost surely, 2^{221102212022022} is an apocalyptic number.

221102212022022 is an abundant number, since it is smaller than the sum of its proper divisors (231014788186362).

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

221102212022022 is a wasteful number, since it uses less digits than its factorization.

221102212022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387093.

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

Adding to 221102212022022 its reverse (220220212201122), we get a palindrome (441322424223144).

The spelling of 221102212022022 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twelve million, twenty-two thousand, twenty-two".