101120111987 has 2 divisors, whose sum is σ = 101120111988. Its totient is φ = 101120111986.

The previous prime is 101120111971. The next prime is 101120112013. The reversal of 101120111987 is 789111021101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101120111987 - 2⁴ = 101120111971 is a prime.

It is not a weakly prime, because it can be changed into another prime (101120119987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560055993 + 50560055994.

It is an arithmetic number, because the mean of its divisors is an integer number (50560055994).

Almost surely, 2^101120111987 is an apocalyptic number.

101120111987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101120111987 is an equidigital number, since it uses as much as digits as its factorization.

101120111987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 32.

The spelling of 101120111987 in words is "one hundred one billion, one hundred twenty million, one hundred eleven thousand, nine hundred eighty-seven".