101130220 has 24 divisors (see below), whose sum is σ = 212756544. Its totient is φ = 40379136.

The previous prime is 101130209. The next prime is 101130223. The reversal of 101130220 is 22031101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101130197 and 101130206.

It is not an unprimeable number, because it can be changed into a prime (101130223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7597 + ... + 16123.

It is an arithmetic number, because the mean of its divisors is an integer number (8864856).

Almost surely, 2^101130220 is an apocalyptic number.

101130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101130220 is an abundant number, since it is smaller than the sum of its proper divisors (111626324).

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

101130220 is a wasteful number, since it uses less digits than its factorization.

101130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129 (or 9127 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 101130220 is about 10056.3522213574. The cubic root of 101130220 is about 465.9010086475.

Adding to 101130220 its reverse (22031101), we get a palindrome (123161321).

It can be divided in two parts, 101 and 130220, that added together give a 4-th power (130321 = 19⁴).

The spelling of 101130220 in words is "one hundred one million, one hundred thirty thousand, two hundred twenty".