2117221160635 has 32 divisors (see below), whose sum is σ = 3118815936000. Its totient is φ = 1375397785440.

The previous prime is 2117221160633. The next prime is 2117221160651. The reversal of 2117221160635 is 5360611227112.

It is not a de Polignac number, because 2117221160635 - 2¹ = 2117221160633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2117221160594 and 2117221160603.

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 31 ways as a sum of consecutive naturals, for example, 32455081 + ... + 32520250.

It is an arithmetic number, because the mean of its divisors is an integer number (97462998000).

Almost surely, 2^{2117221160635} is an apocalyptic number.

2117221160635 is a deficient number, since it is larger than the sum of its proper divisors (1001594775365).

2117221160635 is an equidigital number, since it uses as much as digits as its factorization.

2117221160635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64975376 (or 64975362 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 2117221160635 its reverse (5360611227112), we get a palindrome (7477832387747).

The spelling of 2117221160635 in words is "two trillion, one hundred seventeen billion, two hundred twenty-one million, one hundred sixty thousand, six hundred thirty-five".