1020112220987 has 2 divisors, whose sum is σ = 1020112220988. Its totient is φ = 1020112220986.

The previous prime is 1020112220867. The next prime is 1020112220993. The reversal of 1020112220987 is 7890222110201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020112220987 - 2²⁸ = 1019843785531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020117220987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056110493 + 510056110494.

It is an arithmetic number, because the mean of its divisors is an integer number (510056110494).

Almost surely, 2^{1020112220987} is an apocalyptic number.

1020112220987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020112220987 is an equidigital number, since it uses as much as digits as its factorization.

1020112220987 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 35.

The spelling of 1020112220987 in words is "one trillion, twenty billion, one hundred twelve million, two hundred twenty thousand, nine hundred eighty-seven".