2211663346321 has 32 divisors (see below), whose sum is σ = 2768975290368. Its totient is φ = 1737476811840.

The previous prime is 2211663346301. The next prime is 2211663346349. The reversal of 2211663346321 is 1236433661122.

It is not a de Polignac number, because 2211663346321 - 2¹⁵ = 2211663313553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211663346301) 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, 6999061 + ... + 7308226.

It is an arithmetic number, because the mean of its divisors is an integer number (86530477824).

Almost surely, 2^{2211663346321} is an apocalyptic number.

It is an amenable number.

2211663346321 is a deficient number, since it is larger than the sum of its proper divisors (557311944047).

2211663346321 is a wasteful number, since it uses less digits than its factorization.

2211663346321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14307381.

The product of its digits is 186624, while the sum is 40.

The spelling of 2211663346321 in words is "two trillion, two hundred eleven billion, six hundred sixty-three million, three hundred forty-six thousand, three hundred twenty-one".