101220300 has 72 divisors (see below), whose sum is σ = 325413200. Its totient is φ = 26991360.

The previous prime is 101220253. The next prime is 101220307. The reversal of 101220300 is 3022101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101220307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16045 + ... + 21444.

Almost surely, 2^101220300 is an apocalyptic number.

101220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220300 is an abundant number, since it is smaller than the sum of its proper divisors (224192900).

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

101220300 is a wasteful number, since it uses less digits than its factorization.

101220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37512 (or 37499 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 101220300 is about 10060.8299856423. The cubic root of 101220300 is about 466.0392986929.

Adding to 101220300 its reverse (3022101), we get a palindrome (104242401).

It can be divided in two parts, 1012 and 20300, that added together give a palindrome (21312).

The spelling of 101220300 in words is "one hundred one million, two hundred twenty thousand, three hundred".