122155156115 has 4 divisors (see below), whose sum is σ = 146586187344. Its totient is φ = 97724124888.

The previous prime is 122155156073. The next prime is 122155156129. The reversal of 122155156115 is 511651551221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122155156115 - 2⁶ = 122155156051 is a prime.

It is a Duffinian number.

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, 12215515607 + ... + 12215515616.

It is an arithmetic number, because the mean of its divisors is an integer number (36646546836).

Almost surely, 2^122155156115 is an apocalyptic number.

122155156115 is a deficient number, since it is larger than the sum of its proper divisors (24431031229).

122155156115 is an equidigital number, since it uses as much as digits as its factorization.

122155156115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24431031228.

The product of its digits is 15000, while the sum is 35.

The spelling of 122155156115 in words is "one hundred twenty-two billion, one hundred fifty-five million, one hundred fifty-six thousand, one hundred fifteen".