101200202220 has 96 divisors (see below), whose sum is σ = 309337947072. Its totient is φ = 24569561088.

The previous prime is 101200202183. The next prime is 101200202269. The reversal of 101200202220 is 22202002101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101200202196 and 101200202205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 831717 + ... + 945596.

It is an arithmetic number, because the mean of its divisors is an integer number (3222270282).

Almost surely, 2^101200202220 is an apocalyptic number.

101200202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200202220 is an abundant number, since it is smaller than the sum of its proper divisors (208137744852).

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

101200202220 is a wasteful number, since it uses less digits than its factorization.

101200202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777411 (or 1777409 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 101200202220 its reverse (22202002101), we get a palindrome (123402204321).

The spelling of 101200202220 in words is "one hundred one billion, two hundred million, two hundred two thousand, two hundred twenty".