101111389252044 has 144 divisors (see below), whose sum is σ = 253212409134720. Its totient is φ = 31393803929600.

The previous prime is 101111389251913. The next prime is 101111389252099. The reversal of 101111389252044 is 440252983111101.

It is a junction number, because it is equal to n+sod(n) for n = 101111389251987 and 101111389252005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377992744 + ... + 378260144.

It is an arithmetic number, because the mean of its divisors is an integer number (1758419507880).

Almost surely, 2^{101111389252044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101111389252044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126606204567360).

101111389252044 is an abundant number, since it is smaller than the sum of its proper divisors (152101019882676).

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

101111389252044 is a wasteful number, since it uses less digits than its factorization.

101111389252044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268568 (or 268549 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 101111389252044 in words is "one hundred one trillion, one hundred eleven billion, three hundred eighty-nine million, two hundred fifty-two thousand, forty-four".