102311310121011 has 24 divisors (see below), whose sum is σ = 148265273554944. Its totient is φ = 67984974866160.

The previous prime is 102311310120913. The next prime is 102311310121039. The reversal of 102311310121011 is 110121013113201.

102311310121011 is a `hidden beast` number, since 1 + 0 + 231 + 1 + 310 + 121 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 102311310121011 - 2⁴² = 97913263609907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102311315121011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58439790 + ... + 60165036.

It is an arithmetic number, because the mean of its divisors is an integer number (6177719731456).

Almost surely, 2^{102311310121011} is an apocalyptic number.

102311310121011 is a deficient number, since it is larger than the sum of its proper divisors (45953963433933).

102311310121011 is a wasteful number, since it uses less digits than its factorization.

102311310121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746751 (or 1746748 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 102311310121011 its reverse (110121013113201), we get a palindrome (212432323234212).

The spelling of 102311310121011 in words is "one hundred two trillion, three hundred eleven billion, three hundred ten million, one hundred twenty-one thousand, eleven".