101311100442 has 24 divisors (see below), whose sum is σ = 229051184544. Its totient is φ = 32302089864.

The previous prime is 101311100417. The next prime is 101311100479. The reversal of 101311100442 is 244001113101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122355988 + ... + 122356815.

It is an arithmetic number, because the mean of its divisors is an integer number (9543799356).

Almost surely, 2^101311100442 is an apocalyptic number.

101311100442 is an abundant number, since it is smaller than the sum of its proper divisors (127740084102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101311100442 is a wasteful number, since it uses less digits than its factorization.

101311100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244712834 (or 244712831 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 101311100442 its reverse (244001113101), we get a palindrome (345312213543).

The spelling of 101311100442 in words is "one hundred one billion, three hundred eleven million, one hundred thousand, four hundred forty-two".