101311111442 has 8 divisors (see below), whose sum is σ = 153360857100. Its totient is φ = 50190825744.

The previous prime is 101311111393. The next prime is 101311111493. The reversal of 101311111442 is 244111113101.

It can be written as a sum of positive squares in 2 ways, for example, as 88773606601 + 12537504841 = 297949^2 + 111971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101311111442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232364717 + ... + 232365152.

Almost surely, 2^101311111442 is an apocalyptic number.

101311111442 is a deficient number, since it is larger than the sum of its proper divisors (52049745658).

101311111442 is a wasteful number, since it uses less digits than its factorization.

101311111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464729980.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 101311111442 its reverse (244111113101), we get a palindrome (345422224543).

The spelling of 101311111442 in words is "one hundred one billion, three hundred eleven million, one hundred eleven thousand, four hundred forty-two".