101200040220 has 48 divisors (see below), whose sum is σ = 284828332320. Its totient is φ = 26846846976.

The previous prime is 101200040191. The next prime is 101200040257. The reversal of 101200040220 is 22040002101.

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 = 101200040196 and 101200040205.

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, 4358025 + ... + 4381184.

It is an arithmetic number, because the mean of its divisors is an integer number (5933923590).

Almost surely, 2^101200040220 is an apocalyptic number.

101200040220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200040220 is an abundant number, since it is smaller than the sum of its proper divisors (183628292100).

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

101200040220 is a wasteful number, since it uses less digits than its factorization.

101200040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739414 (or 8739412 counting only the distinct ones).

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

Adding to 101200040220 its reverse (22040002101), we get a palindrome (123240042321).

The spelling of 101200040220 in words is "one hundred one billion, two hundred million, forty thousand, two hundred twenty".