101221200202200 has 96 divisors (see below), whose sum is σ = 337923083778000. Its totient is φ = 24915987740160.

The previous prime is 101221200202169. The next prime is 101221200202207. The reversal of 101221200202200 is 2202002122101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101221200202200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221200202207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6488530675 + ... + 6488546274.

Almost surely, 2^{101221200202200} is an apocalyptic number.

101221200202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221200202200 is an abundant number, since it is smaller than the sum of its proper divisors (236701883575800).

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

101221200202200 is a wasteful number, since it uses less digits than its factorization.

101221200202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977076981 (or 12977076972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101221200202200 its reverse (2202002122101), we get a palindrome (103423202324301).

The spelling of 101221200202200 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred million, two hundred two thousand, two hundred".