122219515108 has 12 divisors (see below), whose sum is σ = 213887278332. Its totient is φ = 61108864160.

The previous prime is 122219515087. The next prime is 122219515193. The reversal of 122219515108 is 801515912221.

122219515108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50297929984 + 71921585124 = 224272^2 + 268182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156078 + ... + 518458.

It is an arithmetic number, because the mean of its divisors is an integer number (17823939861).

Almost surely, 2^122219515108 is an apocalyptic number.

It is an amenable number.

122219515108 is a deficient number, since it is larger than the sum of its proper divisors (91667763224).

122219515108 is a wasteful number, since it uses less digits than its factorization.

122219515108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446702 (or 446700 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 37.

The spelling of 122219515108 in words is "one hundred twenty-two billion, two hundred nineteen million, five hundred fifteen thousand, one hundred eight".