101210220200 has 24 divisors (see below), whose sum is σ = 235313762430. Its totient is φ = 40484088000.

The previous prime is 101210220187. The next prime is 101210220269. The reversal of 101210220200 is 2022012101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 98506844164 + 2703376036 = 313858^2 + 51994^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253025351 + ... + 253025750.

Almost surely, 2^101210220200 is an apocalyptic number.

101210220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210220200 is an abundant number, since it is smaller than the sum of its proper divisors (134103542230).

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

101210220200 is a wasteful number, since it uses less digits than its factorization.

101210220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506051117 (or 506051108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101210220200 its reverse (2022012101), we get a palindrome (103232232301).

The spelling of 101210220200 in words is "one hundred one billion, two hundred ten million, two hundred twenty thousand, two hundred".