121022200987 has 2 divisors, whose sum is σ = 121022200988. Its totient is φ = 121022200986.

The previous prime is 121022200967. The next prime is 121022201149. The reversal of 121022200987 is 789002220121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121022200987 - 2²⁷ = 120887983259 is a prime.

It is not a weakly prime, because it can be changed into another prime (121022200967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511100493 + 60511100494.

It is an arithmetic number, because the mean of its divisors is an integer number (60511100494).

Almost surely, 2^121022200987 is an apocalyptic number.

121022200987 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022200987 is an equidigital number, since it uses as much as digits as its factorization.

121022200987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 121022200987 in words is "one hundred twenty-one billion, twenty-two million, two hundred thousand, nine hundred eighty-seven".