101111325511 has 12 divisors (see below), whose sum is σ = 117630070992. Its totient is φ = 86658911808.

The previous prime is 101111325457. The next prime is 101111325529. The reversal of 101111325511 is 115523111101.

It is a happy number.

It is not a de Polignac number, because 101111325511 - 2¹⁵ = 101111292743 is a prime.

It is a super-2 number, since 2×101111325511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111325551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481326 + ... + 658708.

It is an arithmetic number, because the mean of its divisors is an integer number (9802505916).

Almost surely, 2^101111325511 is an apocalyptic number.

101111325511 is a deficient number, since it is larger than the sum of its proper divisors (16518745481).

101111325511 is a wasteful number, since it uses less digits than its factorization.

101111325511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189030 (or 189023 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 101111325511 its reverse (115523111101), we get a palindrome (216634436612).

The spelling of 101111325511 in words is "one hundred one billion, one hundred eleven million, three hundred twenty-five thousand, five hundred eleven".