1022112100987 has 2 divisors, whose sum is σ = 1022112100988. Its totient is φ = 1022112100986.

The previous prime is 1022112100979. The next prime is 1022112101009. The reversal of 1022112100987 is 7890012112201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022112100987 - 2³ = 1022112100979 is a prime.

It is a super-3 number, since 3×1022112100987³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1022112100687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511056050493 + 511056050494.

It is an arithmetic number, because the mean of its divisors is an integer number (511056050494).

Almost surely, 2^{1022112100987} is an apocalyptic number.

1022112100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022112100987 is an equidigital number, since it uses as much as digits as its factorization.

1022112100987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 1022112100987 in words is "one trillion, twenty-two billion, one hundred twelve million, one hundred thousand, nine hundred eighty-seven".