121222022022 has 24 divisors (see below), whose sum is σ = 263737548360. Its totient is φ = 40239673920.

The previous prime is 121222021981. The next prime is 121222022029. The reversal of 121222022022 is 220220222121.

121222022022 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-3 number, since 3×121222022022³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121222021986 and 121222022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13967772 + ... + 13976447.

It is an arithmetic number, because the mean of its divisors is an integer number (10989064515).

Almost surely, 2^121222022022 is an apocalyptic number.

121222022022 is an abundant number, since it is smaller than the sum of its proper divisors (142515526338).

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

121222022022 is a wasteful number, since it uses less digits than its factorization.

121222022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27944468 (or 27944465 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 121222022022 its reverse (220220222121), we get a palindrome (341442244143).

The spelling of 121222022022 in words is "one hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand, twenty-two".