201021010102200 has 96 divisors (see below), whose sum is σ = 623170365280560. Its totient is φ = 53605152460800.

The previous prime is 201021010102151. The next prime is 201021010102207. The reversal of 201021010102200 is 2201010120102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021010102207) 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, 73401510 + ... + 76090890.

Almost surely, 2^{201021010102200} is an apocalyptic number.

201021010102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201021010102200 is an abundant number, since it is smaller than the sum of its proper divisors (422149355178360).

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

201021010102200 is a wasteful number, since it uses less digits than its factorization.

201021010102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813977 (or 2813968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201021010102200 its reverse (2201010120102), we get a palindrome (203222020222302).

The spelling of 201021010102200 in words is "two hundred one trillion, twenty-one billion, ten million, one hundred two thousand, two hundred".