121022212121122 has 32 divisors (see below), whose sum is σ = 214734007797120. Its totient is φ = 50615873256960.

The previous prime is 121022212121059. The next prime is 121022212121149. The reversal of 121022212121122 is 221121212220121.

It is a junction number, because it is equal to n+sod(n) for n = 121022212121093 and 121022212121102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5325732879 + ... + 5325755602.

It is an arithmetic number, because the mean of its divisors is an integer number (6710437743660).

Almost surely, 2^{121022212121122} is an apocalyptic number.

121022212121122 is a deficient number, since it is larger than the sum of its proper divisors (93711795675998).

121022212121122 is a wasteful number, since it uses less digits than its factorization.

121022212121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10651488538.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121022212121122 its reverse (221121212220121), we get a palindrome (342143424341243).

The spelling of 121022212121122 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty-two".