201110001001100 has 72 divisors (see below), whose sum is σ = 437425412075568. Its totient is φ = 80256759808000.

The previous prime is 201110001001043. The next prime is 201110001001139. The reversal of 201110001001100 is 1100100011102.

It is a happy 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, 92908724 + ... + 95048676.

It is an arithmetic number, because the mean of its divisors is an integer number (6075352945494).

Almost surely, 2^{201110001001100} is an apocalyptic number.

201110001001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201110001001100 is an abundant number, since it is smaller than the sum of its proper divisors (236315411074468).

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

201110001001100 is a wasteful number, since it uses less digits than its factorization.

201110001001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142155 (or 2142148 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 201110001001100 its reverse (1100100011102), we get a palindrome (202210101012202).

The spelling of 201110001001100 in words is "two hundred one trillion, one hundred ten billion, one million, one thousand, one hundred".