102021113020087 has 2 divisors, whose sum is σ = 102021113020088. Its totient is φ = 102021113020086.

The previous prime is 102021113020081. The next prime is 102021113020091. The reversal of 102021113020087 is 780020311120201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102021113020087 - 2¹¹ = 102021113018039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102021113020081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010556510043 + 51010556510044.

It is an arithmetic number, because the mean of its divisors is an integer number (51010556510044).

Almost surely, 2^{102021113020087} is an apocalyptic number.

102021113020087 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021113020087 is an equidigital number, since it uses as much as digits as its factorization.

102021113020087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 102021113020087 its reverse (780020311120201), we get a palindrome (882041424140288).

The spelling of 102021113020087 in words is "one hundred two trillion, twenty-one billion, one hundred thirteen million, twenty thousand, eighty-seven".