22001655516112 has 20 divisors (see below), whose sum is σ = 42732433021540. Its totient is φ = 10973930865408.

The previous prime is 22001655516107. The next prime is 22001655516121. The reversal of 22001655516112 is 21161555610022.

It can be written as a sum of positive squares in 2 ways, for example, as 11687126798736 + 10314528717376 = 3418644^2 + 3211624^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681049043 + ... + 1681062130.

It is an arithmetic number, because the mean of its divisors is an integer number (2136621651077).

Almost surely, 2^{22001655516112} is an apocalyptic number.

It is an amenable number.

22001655516112 is a deficient number, since it is larger than the sum of its proper divisors (20730777505428).

22001655516112 is a wasteful number, since it uses less digits than its factorization.

22001655516112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362111590 (or 3362111584 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 22001655516112 in words is "twenty-two trillion, one billion, six hundred fifty-five million, five hundred sixteen thousand, one hundred twelve".