121022100122 has 192 divisors, whose sum is σ = 248919091200. Its totient is φ = 43478023680.

The previous prime is 121022100109. The next prime is 121022100131. The reversal of 121022100122 is 221001220121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 121022100097 and 121022100106.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 259147733 + ... + 259148199.

It is an arithmetic number, because the mean of its divisors is an integer number (1296453600).

Almost surely, 2^121022100122 is an apocalyptic number.

121022100122 is an abundant number, since it is smaller than the sum of its proper divisors (127896991078).

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

121022100122 is a wasteful number, since it uses less digits than its factorization.

121022100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121022100122 its reverse (221001220121), we get a palindrome (342023320243).

The spelling of 121022100122 in words is "one hundred twenty-one billion, twenty-two million, one hundred thousand, one hundred twenty-two".