122122112109 has 8 divisors (see below), whose sum is σ = 162916985952. Its totient is φ = 81370989840.

The previous prime is 122122112093. The next prime is 122122112111. The reversal of 122122112109 is 901211221221.

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

It is not a de Polignac number, because 122122112109 - 2⁴ = 122122112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122112209) 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, 10931379 + ... + 10942544.

It is an arithmetic number, because the mean of its divisors is an integer number (20364623244).

Almost surely, 2^122122112109 is an apocalyptic number.

It is an amenable number.

122122112109 is a deficient number, since it is larger than the sum of its proper divisors (40794873843).

122122112109 is a wasteful number, since it uses less digits than its factorization.

122122112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21875787.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 122122112109 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, one hundred nine".