121022001443331 has 20 divisors (see below), whose sum is σ = 181703647989072. Its totient is φ = 80271784364688.

The previous prime is 121022001443221. The next prime is 121022001443339. The reversal of 121022001443331 is 133344100220121.

121022001443331 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 220 + 0 + 1 + 4 + 433 + 3 + 1 = 666.

It is not a de Polignac number, because 121022001443331 - 2¹⁷ = 121022001312259 is a prime.

It is a super-2 number, since 2×121022001443331² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121022001443295 and 121022001443304.

It is not an unprimeable number, because it can be changed into a prime (121022001443339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3792112935 + ... + 3792144848.

Almost surely, 2^{121022001443331} is an apocalyptic number.

121022001443331 is a deficient number, since it is larger than the sum of its proper divisors (60681646545741).

121022001443331 is an equidigital number, since it uses as much as digits as its factorization.

121022001443331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584257992 (or 7584257983 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121022001443331 its reverse (133344100220121), we get a palindrome (254366101663452).

The spelling of 121022001443331 in words is "one hundred twenty-one trillion, twenty-two billion, one million, four hundred forty-three thousand, three hundred thirty-one".