121022022 has 48 divisors (see below), whose sum is σ = 269181360. Its totient is φ = 36241920.

The previous prime is 121022009. The next prime is 121022023. The reversal of 121022022 is 220220121.

It is a junction number, because it is equal to n+sod(n) for n = 121021989 and 121022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63678 + ... + 65550.

It is an arithmetic number, because the mean of its divisors is an integer number (5607945).

Almost surely, 2^121022022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134590680).

121022022 is an abundant number, since it is smaller than the sum of its proper divisors (148159338).

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

121022022 is a wasteful number, since it uses less digits than its factorization.

121022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 121022022 is about 11001.0009544586. Note that the first 3 decimals coincide. The cubic root of 121022022 is about 494.6387487685.

Adding to 121022022 its reverse (220220121), we get a palindrome (341242143).

It can be divided in two parts, 1210 and 22022, that added together give a palindrome (23232).

The spelling of 121022022 in words is "one hundred twenty-one million, twenty-two thousand, twenty-two".