22020311011312 has 10 divisors (see below), whose sum is σ = 42664352584448. Its totient is φ = 11010155505648.

The previous prime is 22020311011243. The next prime is 22020311011343. The reversal of 22020311011312 is 21311011302022.

It is a super-2 number, since 2×22020311011312² (a number of 27 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 22020311011312.

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, 688134719088 + ... + 688134719119.

Almost surely, 2^{22020311011312} is an apocalyptic number.

It is an amenable number.

22020311011312 is a deficient number, since it is larger than the sum of its proper divisors (20644041573136).

22020311011312 is a wasteful number, since it uses less digits than its factorization.

22020311011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376269438215 (or 1376269438209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22020311011312 its reverse (21311011302022), we get a palindrome (43331322313334).

The spelling of 22020311011312 in words is "twenty-two trillion, twenty billion, three hundred eleven million, eleven thousand, three hundred twelve".