121100442122 has 32 divisors (see below), whose sum is σ = 207585016704. Its totient is φ = 52447436800.

The previous prime is 121100442049. The next prime is 121100442149. The reversal of 121100442122 is 221244001121.

It is a junction number, because it is equal to n+sod(n) for n = 121100442094 and 121100442103.

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, 335579 + ... + 595662.

It is an arithmetic number, because the mean of its divisors is an integer number (6487031772).

Almost surely, 2^121100442122 is an apocalyptic number.

121100442122 is a deficient number, since it is larger than the sum of its proper divisors (86484574582).

121100442122 is a wasteful number, since it uses less digits than its factorization.

121100442122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931534.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121100442122 its reverse (221244001121), we get a palindrome (342344443243).

The spelling of 121100442122 in words is "one hundred twenty-one billion, one hundred million, four hundred forty-two thousand, one hundred twenty-two".