102122254776511 has 4 divisors (see below), whose sum is σ = 105643711837800. Its totient is φ = 98600797715224.

The previous prime is 102122254776371. The next prime is 102122254776539. The reversal of 102122254776511 is 115677452221201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102122254776511 - 2⁹ = 102122254775999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122254776211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760728530601 + ... + 1760728530658.

It is an arithmetic number, because the mean of its divisors is an integer number (26410927959450).

Almost surely, 2^{102122254776511} is an apocalyptic number.

102122254776511 is a deficient number, since it is larger than the sum of its proper divisors (3521457061289).

102122254776511 is an equidigital number, since it uses as much as digits as its factorization.

102122254776511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521457061288.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 102122254776511 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred fifty-four million, seven hundred seventy-six thousand, five hundred eleven".