22100202012212 has 6 divisors (see below), whose sum is σ = 38675353521378. Its totient is φ = 11050101006104.

The previous prime is 22100202012191. The next prime is 22100202012283. The reversal of 22100202012212 is 21221020200122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18571049023396 + 3529152988816 = 4309414^2 + 1878604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762525251523 + ... + 2762525251530.

It is an arithmetic number, because the mean of its divisors is an integer number (6445892253563).

Almost surely, 2^{22100202012212} is an apocalyptic number.

It is an amenable number.

22100202012212 is a deficient number, since it is larger than the sum of its proper divisors (16575151509166).

22100202012212 is a wasteful number, since it uses less digits than its factorization.

22100202012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525050503057 (or 5525050503055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100202012212 its reverse (21221020200122), we get a palindrome (43321222212334).

The spelling of 22100202012212 in words is "twenty-two trillion, one hundred billion, two hundred two million, twelve thousand, two hundred twelve".