2221221002013 has 64 divisors (see below), whose sum is σ = 3731269248000. Its totient is φ = 1294642243008.

The previous prime is 2221221002003. The next prime is 2221221002069. The reversal of 2221221002013 is 3102001221222.

It is not a de Polignac number, because 2221221002013 - 2⁵ = 2221221001981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221221002003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28364170 + ... + 28442372.

It is an arithmetic number, because the mean of its divisors is an integer number (58301082000).

Almost surely, 2^{2221221002013} is an apocalyptic number.

It is an amenable number.

2221221002013 is a deficient number, since it is larger than the sum of its proper divisors (1510048245987).

2221221002013 is a wasteful number, since it uses less digits than its factorization.

2221221002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82503 (or 82497 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2221221002013 its reverse (3102001221222), we get a palindrome (5323222223235).

The spelling of 2221221002013 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, two thousand, thirteen".