222120199990939 has 2 divisors, whose sum is σ = 222120199990940. Its totient is φ = 222120199990938.

The previous prime is 222120199990919. The next prime is 222120199990991. The reversal of 222120199990939 is 939099991021222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222120199990939 - 2²¹ = 222120197893787 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120199990919) by changing a digit.

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 as a sum of consecutive naturals, namely, 111060099995469 + 111060099995470.

It is an arithmetic number, because the mean of its divisors is an integer number (111060099995470).

Almost surely, 2^{222120199990939} is an apocalyptic number.

222120199990939 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120199990939 is an equidigital number, since it uses as much as digits as its factorization.

222120199990939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25509168, while the sum is 67.

The spelling of 222120199990939 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred ninety-nine million, nine hundred ninety thousand, nine hundred thirty-nine".