2201312113221 has 32 divisors (see below), whose sum is σ = 3279277330560. Its totient is φ = 1304171898624.

The previous prime is 2201312113211. The next prime is 2201312113249. The reversal of 2201312113221 is 1223112131022.

It is not a de Polignac number, because 2201312113221 - 2²² = 2201307918917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201312113211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2412070 + ... + 3196983.

It is an arithmetic number, because the mean of its divisors is an integer number (102477416580).

Almost surely, 2^{2201312113221} is an apocalyptic number.

It is an amenable number.

2201312113221 is a deficient number, since it is larger than the sum of its proper divisors (1077965217339).

2201312113221 is a wasteful number, since it uses less digits than its factorization.

2201312113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609445.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2201312113221 its reverse (1223112131022), we get a palindrome (3424424244243).

The spelling of 2201312113221 in words is "two trillion, two hundred one billion, three hundred twelve million, one hundred thirteen thousand, two hundred twenty-one".