2110021019987 has 2 divisors, whose sum is σ = 2110021019988. Its totient is φ = 2110021019986.

The previous prime is 2110021019923. The next prime is 2110021020001. The reversal of 2110021019987 is 7899101200112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2110021019987 - 2⁶ = 2110021019923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110021015987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055010509993 + 1055010509994.

It is an arithmetic number, because the mean of its divisors is an integer number (1055010509994).

Almost surely, 2^{2110021019987} is an apocalyptic number.

2110021019987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110021019987 is an equidigital number, since it uses as much as digits as its factorization.

2110021019987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 41.

The spelling of 2110021019987 in words is "two trillion, one hundred ten billion, twenty-one million, nineteen thousand, nine hundred eighty-seven".