201102001221100 has 108 divisors (see below), whose sum is σ = 508178387939040. Its totient is φ = 68875983657600.

The previous prime is 201102001221097. The next prime is 201102001221113. The reversal of 201102001221100 is 1122100201102.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17196340 + ... + 26418139.

It is an arithmetic number, because the mean of its divisors is an integer number (4705355443880).

Almost surely, 2^{201102001221100} is an apocalyptic number.

201102001221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102001221100 is an abundant number, since it is smaller than the sum of its proper divisors (307076386717940).

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

201102001221100 is a wasteful number, since it uses less digits than its factorization.

201102001221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43615448 (or 43615434 counting only the distinct ones).

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

Adding to 201102001221100 its reverse (1122100201102), we get a palindrome (202224101422202).

The spelling of 201102001221100 in words is "two hundred one trillion, one hundred two billion, one million, two hundred twenty-one thousand, one hundred".