220247071121 has 16 divisors (see below), whose sum is σ = 275687774208. Its totient is φ = 170937330000.

The previous prime is 220247071073. The next prime is 220247071127. The reversal of 220247071121 is 121170742022.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220247071121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220247071127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5678585 + ... + 5717238.

It is an arithmetic number, because the mean of its divisors is an integer number (17230485888).

Almost surely, 2^220247071121 is an apocalyptic number.

It is an amenable number.

220247071121 is a deficient number, since it is larger than the sum of its proper divisors (55440703087).

220247071121 is a wasteful number, since it uses less digits than its factorization.

220247071121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396092.

The product of its (nonzero) digits is 3136, while the sum is 29.

The spelling of 220247071121 in words is "two hundred twenty billion, two hundred forty-seven million, seventy-one thousand, one hundred twenty-one".