221115706060 has 24 divisors (see below), whose sum is σ = 488782087920. Its totient is φ = 83791214784.

The previous prime is 221115706057. The next prime is 221115706061. The reversal of 221115706060 is 60607511122.

221115706060 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221115706061) 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, 290941339 + ... + 290942098.

It is an arithmetic number, because the mean of its divisors is an integer number (20365920330).

Almost surely, 2^221115706060 is an apocalyptic number.

221115706060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221115706060 is an abundant number, since it is smaller than the sum of its proper divisors (267666381860).

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

221115706060 is a wasteful number, since it uses less digits than its factorization.

221115706060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581883465 (or 581883463 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 221115706060 in words is "two hundred twenty-one billion, one hundred fifteen million, seven hundred six thousand, sixty".