102011002119991 has 2 divisors, whose sum is σ = 102011002119992. Its totient is φ = 102011002119990.

The previous prime is 102011002119941. The next prime is 102011002120031. The reversal of 102011002119991 is 199911200110201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102011002119991 - 2¹⁵ = 102011002087223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102011002119991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011002119931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005501059995 + 51005501059996.

It is an arithmetic number, because the mean of its divisors is an integer number (51005501059996).

Almost surely, 2^{102011002119991} is an apocalyptic number.

102011002119991 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011002119991 is an equidigital number, since it uses as much as digits as its factorization.

102011002119991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 102011002119991 in words is "one hundred two trillion, eleven billion, two million, one hundred nineteen thousand, nine hundred ninety-one".