2122212021992 has 64 divisors (see below), whose sum is σ = 4123842969600. Its totient is φ = 1023215880960.

The previous prime is 2122212021971. The next prime is 2122212022027. The reversal of 2122212021992 is 2991202122212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204900878 + ... + 204911234.

It is an arithmetic number, because the mean of its divisors is an integer number (64435046400).

Almost surely, 2^{2122212021992} is an apocalyptic number.

It is an amenable number.

2122212021992 is a deficient number, since it is larger than the sum of its proper divisors (2001630947608).

2122212021992 is a wasteful number, since it uses less digits than its factorization.

2122212021992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18666 (or 18662 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 2122212021992 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, nine hundred ninety-two".