222021131321999 has 16 divisors (see below), whose sum is σ = 235280004685824. Its totient is φ = 209165951332800.

The previous prime is 222021131321989. The next prime is 222021131322031. The reversal of 222021131321999 is 999123131120222.

222021131321999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222021131321999 - 2²⁴ = 222021114544783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021131321939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188053259 + ... + 189230204.

It is an arithmetic number, because the mean of its divisors is an integer number (14705000292864).

Almost surely, 2^{222021131321999} is an apocalyptic number.

222021131321999 is a deficient number, since it is larger than the sum of its proper divisors (13258873363825).

222021131321999 is a wasteful number, since it uses less digits than its factorization.

222021131321999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377283998.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 222021131321999 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred thirty-one million, three hundred twenty-one thousand, nine hundred ninety-nine".