2111220201100 has 36 divisors (see below), whose sum is σ = 4581415190800. Its totient is φ = 844475664960.

The previous prime is 2111220201089. The next prime is 2111220201121. The reversal of 2111220201100 is 11020221112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9962041 + ... + 10171759.

Almost surely, 2^{2111220201100} is an apocalyptic number.

2111220201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111220201100 is an abundant number, since it is smaller than the sum of its proper divisors (2470194989700).

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

2111220201100 is a wasteful number, since it uses less digits than its factorization.

2111220201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310402 (or 310395 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111220201100 its reverse (11020221112), we get a palindrome (2122240422212).

The spelling of 2111220201100 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred".