22101012020212 has 6 divisors (see below), whose sum is σ = 38676771035378. Its totient is φ = 11050506010104.

The previous prime is 22101012020179. The next prime is 22101012020317. The reversal of 22101012020212 is 21202021010122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21192433218576 + 908578801636 = 4603524^2 + 953194^2 .

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, 2762626502523 + ... + 2762626502530.

Almost surely, 2^{22101012020212} is an apocalyptic number.

It is an amenable number.

22101012020212 is a deficient number, since it is larger than the sum of its proper divisors (16575759015166).

22101012020212 is a wasteful number, since it uses less digits than its factorization.

22101012020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525253005057 (or 5525253005055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22101012020212 its reverse (21202021010122), we get a palindrome (43303033030334).

The spelling of 22101012020212 in words is "twenty-two trillion, one hundred one billion, twelve million, twenty thousand, two hundred twelve".