121121101222 has 16 divisors (see below), whose sum is σ = 198253641744. Its totient is φ = 55039636000.

The previous prime is 121121101193. The next prime is 121121101261. The reversal of 121121101222 is 222101121121.

121121101222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121121101222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121121101196 and 121121101205.

It is a congruent number.

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, 689929 + ... + 847492.

It is an arithmetic number, because the mean of its divisors is an integer number (12390852609).

Almost surely, 2^121121101222 is an apocalyptic number.

121121101222 is a deficient number, since it is larger than the sum of its proper divisors (77132540522).

121121101222 is a wasteful number, since it uses less digits than its factorization.

121121101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541015.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121121101222 its reverse (222101121121), we get a palindrome (343222222343).

The spelling of 121121101222 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred one thousand, two hundred twenty-two".