22112202020212 has 24 divisors (see below), whose sum is σ = 39596617966752. Its totient is φ = 10798887136800.

The previous prime is 22112202020203. The next prime is 22112202020221. The reversal of 22112202020212 is 21202020221122.

It is an interprime number because it is at equal distance from previous prime (22112202020203) and next prime (22112202020221).

It is a self number, because there is not a number n which added to its sum of digits gives 22112202020212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21475287 + ... + 22481377.

It is an arithmetic number, because the mean of its divisors is an integer number (1649859081948).

Almost surely, 2^{22112202020212} is an apocalyptic number.

It is an amenable number.

22112202020212 is a deficient number, since it is larger than the sum of its proper divisors (17484415946540).

22112202020212 is a wasteful number, since it uses less digits than its factorization.

22112202020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133919 (or 1133917 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22112202020212 its reverse (21202020221122), we get a palindrome (43314222241334).

The spelling of 22112202020212 in words is "twenty-two trillion, one hundred twelve billion, two hundred two million, twenty thousand, two hundred twelve".