68022789121 has 16 divisors (see below), whose sum is σ = 78123544576. Its totient is φ = 58018473936.

The previous prime is 68022789119. The next prime is 68022789137. The reversal of 68022789121 is 12198722086.

68022789121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 68022789121 - 2¹ = 68022789119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68022780121) 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, 1278370 + ... + 1330516.

It is an arithmetic number, because the mean of its divisors is an integer number (4882721536).

Almost surely, 2^68022789121 is an apocalyptic number.

It is an amenable number.

68022789121 is a deficient number, since it is larger than the sum of its proper divisors (10100755455).

68022789121 is a wasteful number, since it uses less digits than its factorization.

68022789121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53068.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 68022789121 in words is "sixty-eight billion, twenty-two million, seven hundred eighty-nine thousand, one hundred twenty-one".