101002220200 has 72 divisors (see below), whose sum is σ = 273169806750. Its totient is φ = 34629329280.

The previous prime is 101002220197. The next prime is 101002220201. The reversal of 101002220200 is 2022200101.

It can be written as a sum of positive squares in 3 ways, for example, as 74139665796 + 26862554404 = 272286^2 + 163898^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101002220201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5143375 + ... + 5162974.

Almost surely, 2^101002220200 is an apocalyptic number.

101002220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101002220200 is an abundant number, since it is smaller than the sum of its proper divisors (172167586550).

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

101002220200 is a wasteful number, since it uses less digits than its factorization.

101002220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10306379 (or 10306363 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 101002220200 its reverse (2022200101), we get a palindrome (103024420301).

The spelling of 101002220200 in words is "one hundred one billion, two million, two hundred twenty thousand, two hundred".