121021101222122 has 16 divisors (see below), whose sum is σ = 182758999833792. Its totient is φ = 60101896631040.

The previous prime is 121021101222107. The next prime is 121021101222163. The reversal of 121021101222122 is 221222101120121.

It is a super-2 number, since 2×121021101222122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021101222094 and 121021101222103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114980279 + ... + 116028042.

It is an arithmetic number, because the mean of its divisors is an integer number (11422437489612).

Almost surely, 2^{121021101222122} is an apocalyptic number.

121021101222122 is a deficient number, since it is larger than the sum of its proper divisors (61737898611670).

121021101222122 is a wasteful number, since it uses less digits than its factorization.

121021101222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231010093.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121021101222122 its reverse (221222101120121), we get a palindrome (342243202342243).

The spelling of 121021101222122 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".