122353353221 has 4 divisors (see below), whose sum is σ = 133476385344. Its totient is φ = 111230321100.

The previous prime is 122353353137. The next prime is 122353353301.

122353353221 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122353353221 - 2¹⁴ = 122353336837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122353353821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5561516045 + ... + 5561516066.

It is an arithmetic number, because the mean of its divisors is an integer number (33369096336).

Almost surely, 2^122353353221 is an apocalyptic number.

122353353221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122353353221 is a deficient number, since it is larger than the sum of its proper divisors (11123032123).

122353353221 is a wasteful number, since it uses less digits than its factorization.

122353353221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11123032122.

The product of its digits is 32400, while the sum is 32.

It can be divided in two parts, 122353 and 353221, that added together give a palindrome (475574).

The spelling of 122353353221 in words is "one hundred twenty-two billion, three hundred fifty-three million, three hundred fifty-three thousand, two hundred twenty-one".