122121100122 has 32 divisors (see below), whose sum is σ = 288759254400. Its totient is φ = 33688579008.

The previous prime is 122121100111. The next prime is 122121100139. The reversal of 122121100122 is 221001121221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50130597 + ... + 50133032.

It is an arithmetic number, because the mean of its divisors is an integer number (9023726700).

Almost surely, 2^122121100122 is an apocalyptic number.

122121100122 is an abundant number, since it is smaller than the sum of its proper divisors (166638154278).

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

122121100122 is a wasteful number, since it uses less digits than its factorization.

122121100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100263670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122121100122 its reverse (221001121221), we get a palindrome (343122221343).

The spelling of 122121100122 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred thousand, one hundred twenty-two".