22021110112202 has 4 divisors (see below), whose sum is σ = 33031665168306. Its totient is φ = 11010555056100.

The previous prime is 22021110112109. The next prime is 22021110112213. The reversal of 22021110112202 is 20221101112022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21233931264841 + 787178847361 = 4608029^2 + 887231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505277528049 + ... + 5505277528052.

Almost surely, 2^{22021110112202} is an apocalyptic number.

22021110112202 is a deficient number, since it is larger than the sum of its proper divisors (11010555056104).

22021110112202 is a wasteful number, since it uses less digits than its factorization.

22021110112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010555056103.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22021110112202 its reverse (20221101112022), we get a palindrome (42242211224224).

The spelling of 22021110112202 in words is "twenty-two trillion, twenty-one billion, one hundred ten million, one hundred twelve thousand, two hundred two".