101331233220 has 48 divisors (see below), whose sum is σ = 324259947648. Its totient is φ = 23161424640.

The previous prime is 101331233207. The next prime is 101331233221. The reversal of 101331233220 is 22332133101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (101331233221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120632001 + ... + 120632840.

It is an arithmetic number, because the mean of its divisors is an integer number (6755415576).

Almost surely, 2^101331233220 is an apocalyptic number.

101331233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101331233220 is an abundant number, since it is smaller than the sum of its proper divisors (222928714428).

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

101331233220 is a wasteful number, since it uses less digits than its factorization.

101331233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241264860 (or 241264858 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 101331233220 its reverse (22332133101), we get a palindrome (123663366321).

The spelling of 101331233220 in words is "one hundred one billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty".