2201000111220 has 24 divisors (see below), whose sum is σ = 6162800311584. Its totient is φ = 586933362976.

The previous prime is 2201000111203. The next prime is 2201000111249. The reversal of 2201000111220 is 221110001022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2201000111196 and 2201000111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18341667534 + ... + 18341667653.

It is an arithmetic number, because the mean of its divisors is an integer number (256783346316).

Almost surely, 2^{2201000111220} is an apocalyptic number.

2201000111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201000111220 is an abundant number, since it is smaller than the sum of its proper divisors (3961800200364).

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

2201000111220 is a wasteful number, since it uses less digits than its factorization.

2201000111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36683335199 (or 36683335197 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2201000111220 its reverse (221110001022), we get a palindrome (2422110112242).

The spelling of 2201000111220 in words is "two trillion, two hundred one billion, one hundred eleven thousand, two hundred twenty".