2211106661264 has 10 divisors (see below), whose sum is σ = 4284019156230. Its totient is φ = 1105553330624.

The previous prime is 2211106661227. The next prime is 2211106661287. The reversal of 2211106661264 is 4621666011122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1250102886400 + 961003774864 = 1118080^2 + 980308^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69097083149 + ... + 69097083180.

It is an arithmetic number, because the mean of its divisors is an integer number (428401915623).

Almost surely, 2^{2211106661264} is an apocalyptic number.

It is an amenable number.

2211106661264 is a deficient number, since it is larger than the sum of its proper divisors (2072912494966).

2211106661264 is a wasteful number, since it uses less digits than its factorization.

2211106661264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138194166337 (or 138194166331 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 2211106661264 in words is "two trillion, two hundred eleven billion, one hundred six million, six hundred sixty-one thousand, two hundred sixty-four".