2213375026661 has 4 divisors (see below), whose sum is σ = 2219154074112. Its totient is φ = 2207595979212.

The previous prime is 2213375026657. The next prime is 2213375026673. The reversal of 2213375026661 is 1666205733122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2213375026661 - 2² = 2213375026657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213375026861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889523151 + ... + 2889523916.

It is an arithmetic number, because the mean of its divisors is an integer number (554788518528).

Almost surely, 2^{2213375026661} is an apocalyptic number.

It is an amenable number.

2213375026661 is a deficient number, since it is larger than the sum of its proper divisors (5779047451).

2213375026661 is an equidigital number, since it uses as much as digits as its factorization.

2213375026661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779047450.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 2213375026661 in words is "two trillion, two hundred thirteen billion, three hundred seventy-five million, twenty-six thousand, six hundred sixty-one".