201102222100 has 72 divisors (see below), whose sum is σ = 472188368288. Its totient is φ = 73901116800.

The previous prime is 201102222091. The next prime is 201102222119. The reversal of 201102222100 is 1222201102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92274 + ... + 640873.

Almost surely, 2^201102222100 is an apocalyptic number.

201102222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102222100 is an abundant number, since it is smaller than the sum of its proper divisors (271086146188).

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

201102222100 is a wasteful number, since it uses less digits than its factorization.

201102222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733385 (or 733378 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201102222100 its reverse (1222201102), we get a palindrome (202324423202).

The spelling of 201102222100 in words is "two hundred one billion, one hundred two million, two hundred twenty-two thousand, one hundred".