122323331122021 has 4 divisors (see below), whose sum is σ = 122323358752812. Its totient is φ = 122323303491232.

The previous prime is 122323331121973. The next prime is 122323331122067. The reversal of 122323331122021 is 120221133323221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2511939708100 + 119811391413921 = 1584910^2 + 10945839^2 .

It is a cyclic number.

It is not a de Polignac number, because 122323331122021 - 2¹¹ = 122323331119973 is a prime.

It is a super-2 number, since 2×122323331122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122323332122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510800 + ... + 16583593.

It is an arithmetic number, because the mean of its divisors is an integer number (30580839688203).

Almost surely, 2^{122323331122021} is an apocalyptic number.

It is an amenable number.

122323331122021 is a deficient number, since it is larger than the sum of its proper divisors (27630791).

122323331122021 is an equidigital number, since it uses as much as digits as its factorization.

122323331122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27630790.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 122323331122021 its reverse (120221133323221), we get a palindrome (242544464445242).

The spelling of 122323331122021 in words is "one hundred twenty-two trillion, three hundred twenty-three billion, three hundred thirty-one million, one hundred twenty-two thousand, twenty-one".