122101120158 has 16 divisors (see below), whose sum is σ = 244736605200. Its totient is φ = 40611312576.

The previous prime is 122101120111. The next prime is 122101120159. The reversal of 122101120158 is 851021101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101120159) 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, 22262233 + ... + 22267716.

It is an arithmetic number, because the mean of its divisors is an integer number (15296037825).

Almost surely, 2^122101120158 is an apocalyptic number.

122101120158 is an abundant number, since it is smaller than the sum of its proper divisors (122635485042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122101120158 is a wasteful number, since it uses less digits than its factorization.

122101120158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44530411.

The product of its (nonzero) digits is 320, while the sum is 24.

Adding to 122101120158 its reverse (851021101221), we get a palindrome (973122221379).

The spelling of 122101120158 in words is "one hundred twenty-two billion, one hundred one million, one hundred twenty thousand, one hundred fifty-eight".