2117221160634 has 16 divisors (see below), whose sum is σ = 4704935912640. Its totient is φ = 705740386860.

The previous prime is 2117221160633. The next prime is 2117221160651. The reversal of 2117221160634 is 4360611227112.

2117221160634 is a `hidden beast` number, since 2 + 1 + 1 + 7 + 2 + 2 + 1 + 16 + 0 + 634 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2117221160633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19603899582 + ... + 19603899689.

It is an arithmetic number, because the mean of its divisors is an integer number (294058494540).

Almost surely, 2^{2117221160634} is an apocalyptic number.

2117221160634 is an abundant number, since it is smaller than the sum of its proper divisors (2587714752006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117221160634 is a wasteful number, since it uses less digits than its factorization.

2117221160634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39207799282 (or 39207799276 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 2117221160634 its reverse (4360611227112), we get a palindrome (6477832387746).

The spelling of 2117221160634 in words is "two trillion, one hundred seventeen billion, two hundred twenty-one million, one hundred sixty thousand, six hundred thirty-four".