101351220 has 48 divisors (see below), whose sum is σ = 284339328. Its totient is φ = 26974080.

The previous prime is 101351219. The next prime is 101351231. The reversal of 101351220 is 22153101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101351220.

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, 36522 + ... + 39198.

It is an arithmetic number, because the mean of its divisors is an integer number (5923736).

Almost surely, 2^101351220 is an apocalyptic number.

101351220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101351220 is an abundant number, since it is smaller than the sum of its proper divisors (182988108).

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

101351220 is a wasteful number, since it uses less digits than its factorization.

101351220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 101351220 is about 10067.3343045714. The cubic root of 101351220 is about 466.2401397575.

The spelling of 101351220 in words is "one hundred one million, three hundred fifty-one thousand, two hundred twenty".