22120211200978 has 192 divisors, whose sum is σ = 39632836239360. Its totient is φ = 9223830000000.

The previous prime is 22120211200903. The next prime is 22120211200979. The reversal of 22120211200978 is 87900211202122.

It is not an unprimeable number, because it can be changed into a prime (22120211200979) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29454342103 + ... + 29454342853.

It is an arithmetic number, because the mean of its divisors is an integer number (206421022080).

Almost surely, 2^{22120211200978} is an apocalyptic number.

22120211200978 is a deficient number, since it is larger than the sum of its proper divisors (17512625038382).

22120211200978 is a wasteful number, since it uses less digits than its factorization.

22120211200978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 22120211200978 in words is "twenty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred thousand, nine hundred seventy-eight".