122221128068 has 24 divisors (see below), whose sum is σ = 230358296280. Its totient is φ = 56405226240.

The previous prime is 122221128061. The next prime is 122221128101. The reversal of 122221128068 is 860821122221.

It can be written as a sum of positive squares in 4 ways, for example, as 34852409344 + 87368718724 = 186688^2 + 295582^2 .

It is not an unprimeable number, because it can be changed into a prime (122221128061) 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, 610328 + ... + 785456.

It is an arithmetic number, because the mean of its divisors is an integer number (9598262345).

Almost surely, 2^122221128068 is an apocalyptic number.

It is an amenable number.

122221128068 is a deficient number, since it is larger than the sum of its proper divisors (108137168212).

122221128068 is a wasteful number, since it uses less digits than its factorization.

122221128068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188567 (or 188565 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 122221128068 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-eight thousand, sixty-eight".