2221210201992 has 32 divisors (see below), whose sum is σ = 5553149011200. Its totient is φ = 740386933184.

The previous prime is 2221210201981. The next prime is 2221210201993. The reversal of 2221210201992 is 2991020121222.

It is a super-2 number, since 2×2221210201992² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221210201993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97513 + ... + 2109959.

It is an arithmetic number, because the mean of its divisors is an integer number (173535906600).

Almost surely, 2^{2221210201992} is an apocalyptic number.

It is an amenable number.

2221210201992 is an abundant number, since it is smaller than the sum of its proper divisors (3331938809208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221210201992 is a wasteful number, since it uses less digits than its factorization.

2221210201992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058445 (or 2058441 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 2221210201992 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, two hundred one thousand, nine hundred ninety-two".