121022213221122 has 64 divisors (see below), whose sum is σ = 246524926242816. Its totient is φ = 39598973025920.

The previous prime is 121022213221109. The next prime is 121022213221171. The reversal of 121022213221122 is 221122312220121.

It is a super-2 number, since 2×121022213221122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121022213221092 and 121022213221101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1681692313 + ... + 1681764275.

It is an arithmetic number, because the mean of its divisors is an integer number (3851951972544).

Almost surely, 2^{121022213221122} is an apocalyptic number.

121022213221122 is an abundant number, since it is smaller than the sum of its proper divisors (125502713021694).

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

121022213221122 is a wasteful number, since it uses less digits than its factorization.

121022213221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89215.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 121022213221122 its reverse (221122312220121), we get a palindrome (342144525441243).

The spelling of 121022213221122 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred twenty-two".