102011412991 has 2 divisors, whose sum is σ = 102011412992. Its totient is φ = 102011412990.

The previous prime is 102011412983. The next prime is 102011413019. The reversal of 102011412991 is 199214110201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102011412991 - 2³ = 102011412983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011412931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005706495 + 51005706496.

It is an arithmetic number, because the mean of its divisors is an integer number (51005706496).

Almost surely, 2^102011412991 is an apocalyptic number.

102011412991 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011412991 is an equidigital number, since it uses as much as digits as its factorization.

102011412991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 102011412991 in words is "one hundred two billion, eleven million, four hundred twelve thousand, nine hundred ninety-one".