122413021021221 has 16 divisors (see below), whose sum is σ = 188380999820928. Its totient is φ = 69257720520000.

The previous prime is 122413021021169. The next prime is 122413021021229. The reversal of 122413021021221 is 122120120314221.

It is not a de Polignac number, because 122413021021221 - 2⁹ = 122413021020709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122413021021191 and 122413021021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122413021021229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28857381430 + ... + 28857385671.

It is an arithmetic number, because the mean of its divisors is an integer number (11773812488808).

Almost surely, 2^{122413021021221} is an apocalyptic number.

It is an amenable number.

122413021021221 is a deficient number, since it is larger than the sum of its proper divisors (65967978799707).

122413021021221 is a wasteful number, since it uses less digits than its factorization.

122413021021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57714767212.

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

Adding to 122413021021221 its reverse (122120120314221), we get a palindrome (244533141335442).

The spelling of 122413021021221 in words is "one hundred twenty-two trillion, four hundred thirteen billion, twenty-one million, twenty-one thousand, two hundred twenty-one".