222120958987 has 2 divisors, whose sum is σ = 222120958988. Its totient is φ = 222120958986.

The previous prime is 222120958963. The next prime is 222120958993. The reversal of 222120958987 is 789859021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222120958987 - 2²⁷ = 221986741259 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120958187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060479493 + 111060479494.

It is an arithmetic number, because the mean of its divisors is an integer number (111060479494).

Almost surely, 2^222120958987 is an apocalyptic number.

222120958987 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120958987 is an equidigital number, since it uses as much as digits as its factorization.

222120958987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 222120958987 in words is "two hundred twenty-two billion, one hundred twenty million, nine hundred fifty-eight thousand, nine hundred eighty-seven".