201102222111020 has 48 divisors (see below), whose sum is σ = 426345181600800. Its totient is φ = 79673712168960.

The previous prime is 201102222110941. The next prime is 201102222111053. The reversal of 201102222111020 is 20111222201102.

It is a self number, because there is not a number n which added to its sum of digits gives 201102222111020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10935605 + ... + 22842764.

It is an arithmetic number, because the mean of its divisors is an integer number (8882191283350).

Almost surely, 2^{201102222111020} is an apocalyptic number.

201102222111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102222111020 is an abundant number, since it is smaller than the sum of its proper divisors (225242959489780).

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

201102222111020 is a wasteful number, since it uses less digits than its factorization.

201102222111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33781218 (or 33781216 counting only the distinct ones).

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

Adding to 201102222111020 its reverse (20111222201102), we get a palindrome (221213444312122).

The spelling of 201102222111020 in words is "two hundred one trillion, one hundred two billion, two hundred twenty-two million, one hundred eleven thousand, twenty".