220122112211987 has 2 divisors, whose sum is σ = 220122112211988. Its totient is φ = 220122112211986.

The previous prime is 220122112211983. The next prime is 220122112212103. The reversal of 220122112211987 is 789112211221022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220122112211987 - 2² = 220122112211983 is a prime.

It is not a weakly prime, because it can be changed into another prime (220122112211983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061056105993 + 110061056105994.

It is an arithmetic number, because the mean of its divisors is an integer number (110061056105994).

Almost surely, 2^{220122112211987} is an apocalyptic number.

220122112211987 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122112211987 is an equidigital number, since it uses as much as digits as its factorization.

220122112211987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 41.

The spelling of 220122112211987 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, nine hundred eighty-seven".