221110772561122 has 8 divisors (see below), whose sum is σ = 331677825399900. Its totient is φ = 110551497427824.

The previous prime is 221110772561089. The next prime is 221110772561141. The reversal of 221110772561122 is 221165277011122.

221110772561122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 217297700122441 + 3813072438681 = 14741021^2 + 1952709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944355297 + ... + 1944469012.

Almost surely, 2^{221110772561122} is an apocalyptic number.

221110772561122 is a deficient number, since it is larger than the sum of its proper divisors (110567052838778).

221110772561122 is a wasteful number, since it uses less digits than its factorization.

221110772561122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888852740.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 221110772561122 in words is "two hundred twenty-one trillion, one hundred ten billion, seven hundred seventy-two million, five hundred sixty-one thousand, one hundred twenty-two".