122022221012109 has 56 divisors (see below), whose sum is σ = 206463543976800. Its totient is φ = 71402762420640.

The previous prime is 122022221012033. The next prime is 122022221012129. The reversal of 122022221012109 is 901210122220221.

122022221012109 is a `hidden beast` number, since 1 + 220 + 2 + 2 + 221 + 0 + 1 + 210 + 9 = 666.

It is not a de Polignac number, because 122022221012109 - 2⁷ = 122022221011981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022221012129) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 262123279 + ... + 262588380.

Almost surely, 2^{122022221012109} is an apocalyptic number.

It is an amenable number.

122022221012109 is a deficient number, since it is larger than the sum of its proper divisors (84441322964691).

122022221012109 is an equidigital number, since it uses as much as digits as its factorization.

122022221012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524711717 (or 524711702 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 122022221012109 in words is "one hundred twenty-two trillion, twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred nine".