211122202201100 has 72 divisors (see below), whose sum is σ = 459261663788928. Its totient is φ = 84241445990400.

The previous prime is 211122202201037. The next prime is 211122202201133. The reversal of 211122202201100 is 1102202221112.

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, 78358949 + ... + 81008451.

Almost surely, 2^{211122202201100} is an apocalyptic number.

211122202201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122202201100 is an abundant number, since it is smaller than the sum of its proper divisors (248139461587828).

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

211122202201100 is a wasteful number, since it uses less digits than its factorization.

211122202201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651475 (or 2651468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211122202201100 its reverse (1102202221112), we get a palindrome (212224404422212).

The spelling of 211122202201100 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred two million, two hundred one thousand, one hundred".