101816315220 has 48 divisors (see below), whose sum is σ = 285131323008. Its totient is φ = 27146670720.

The previous prime is 101816315191. The next prime is 101816315297. The reversal of 101816315220 is 22513618101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251185 + ... + 516455.

It is an arithmetic number, because the mean of its divisors is an integer number (5940235896).

Almost surely, 2^101816315220 is an apocalyptic number.

101816315220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101816315220 is an abundant number, since it is smaller than the sum of its proper divisors (183315007788).

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

101816315220 is a wasteful number, since it uses less digits than its factorization.

101816315220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271680 (or 271678 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 101816315220 in words is "one hundred one billion, eight hundred sixteen million, three hundred fifteen thousand, two hundred twenty".