101111663239188 has 144 divisors (see below), whose sum is σ = 276449044132800. Its totient is φ = 28678237056000.

The previous prime is 101111663239183. The next prime is 101111663239189. The reversal of 101111663239188 is 881932366111101.

It is a self number, because there is not a number n which added to its sum of digits gives 101111663239188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111663239183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 858208828 + ... + 858326636.

It is an arithmetic number, because the mean of its divisors is an integer number (1919785028700).

Almost surely, 2^{101111663239188} 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 101111663239188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138224522066400).

101111663239188 is an abundant number, since it is smaller than the sum of its proper divisors (175337380893612).

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

101111663239188 is a wasteful number, since it uses less digits than its factorization.

101111663239188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128470 (or 128461 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 51.

The spelling of 101111663239188 in words is "one hundred one trillion, one hundred eleven billion, six hundred sixty-three million, two hundred thirty-nine thousand, one hundred eighty-eight".