121160520216 has 96 divisors (see below), whose sum is σ = 331957211040. Its totient is φ = 39918495744.

The previous prime is 121160520179. The next prime is 121160520251. The reversal of 121160520216 is 612025061121.

121160520216 is a `hidden beast` number, since 1 + 2 + 11 + 605 + 20 + 21 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121160520216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5555365 + ... + 5577131.

It is an arithmetic number, because the mean of its divisors is an integer number (3457887615).

Almost surely, 2^121160520216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121160520216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165978605520).

121160520216 is an abundant number, since it is smaller than the sum of its proper divisors (210796690824).

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

121160520216 is a wasteful number, since it uses less digits than its factorization.

121160520216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22673 (or 22666 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 121160520216 its reverse (612025061121), we get a palindrome (733185581337).

The spelling of 121160520216 in words is "one hundred twenty-one billion, one hundred sixty million, five hundred twenty thousand, two hundred sixteen".