69842228121 has 12 divisors (see below), whose sum is σ = 101146626048. Its totient is φ = 46439912664.

The previous prime is 69842228107. The next prime is 69842228143. The reversal of 69842228121 is 12182224896.

It is not a de Polignac number, because 69842228121 - 2⁵ = 69842228089 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (69842227121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10127425 + ... + 10134318.

It is an arithmetic number, because the mean of its divisors is an integer number (8428885504).

Almost surely, 2^69842228121 is an apocalyptic number.

It is an amenable number.

69842228121 is a deficient number, since it is larger than the sum of its proper divisors (31304397927).

69842228121 is a wasteful number, since it uses less digits than its factorization.

69842228121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262132 (or 20262129 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 69842228121 in words is "sixty-nine billion, eight hundred forty-two million, two hundred twenty-eight thousand, one hundred twenty-one".