1021100313019 has 2 divisors, whose sum is σ = 1021100313020. Its totient is φ = 1021100313018.

The previous prime is 1021100312977. The next prime is 1021100313071. The reversal of 1021100313019 is 9103130011201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021100313019 - 2⁷ = 1021100312891 is a prime.

It is a super-2 number, since 2×1021100313019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021100313089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510550156509 + 510550156510.

It is an arithmetic number, because the mean of its divisors is an integer number (510550156510).

Almost surely, 2^{1021100313019} is an apocalyptic number.

1021100313019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021100313019 is an equidigital number, since it uses as much as digits as its factorization.

1021100313019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 1021100313019 in words is "one trillion, twenty-one billion, one hundred million, three hundred thirteen thousand, nineteen".