120211011220987 has 2 divisors, whose sum is σ = 120211011220988. Its totient is φ = 120211011220986.

The previous prime is 120211011220939. The next prime is 120211011221033. The reversal of 120211011220987 is 789022110112021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120211011220987 is a prime.

It is not a weakly prime, because it can be changed into another prime (120211011229987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105505610493 + 60105505610494.

It is an arithmetic number, because the mean of its divisors is an integer number (60105505610494).

Almost surely, 2^{120211011220987} is an apocalyptic number.

120211011220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211011220987 is an equidigital number, since it uses as much as digits as its factorization.

120211011220987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 37.

The spelling of 120211011220987 in words is "one hundred twenty trillion, two hundred eleven billion, eleven million, two hundred twenty thousand, nine hundred eighty-seven".