2013633122221 has 16 divisors (see below), whose sum is σ = 2379051924480. Its totient is φ = 1668425973120.

The previous prime is 2013633122173. The next prime is 2013633122269. The reversal of 2013633122221 is 1222213363102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2013633122173) and next prime (2013633122269).

It is a cyclic number.

It is not a de Polignac number, because 2013633122221 - 2⁷ = 2013633122093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2013633122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013633125221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32152861 + ... + 32215426.

It is an arithmetic number, because the mean of its divisors is an integer number (148690745280).

Almost surely, 2^{2013633122221} is an apocalyptic number.

It is an amenable number.

2013633122221 is a deficient number, since it is larger than the sum of its proper divisors (365418802259).

2013633122221 is a wasteful number, since it uses less digits than its factorization.

2013633122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64368444.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 2013633122221 its reverse (1222213363102), we get a palindrome (3235846485323).

The spelling of 2013633122221 in words is "two trillion, thirteen billion, six hundred thirty-three million, one hundred twenty-two thousand, two hundred twenty-one".