122037313235221 has 4 divisors (see below), whose sum is σ = 122037408729292. Its totient is φ = 122037217741152.

The previous prime is 122037313235213. The next prime is 122037313235251. The reversal of 122037313235221 is 122532313730221.

It is a happy number.

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 80750083071025 + 41287230164196 = 8986105^2 + 6425514^2 .

It is a cyclic number.

It is not a de Polignac number, because 122037313235221 - 2³ = 122037313235213 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 (122037313235251) 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, 45803736 + ... + 48394801.

It is an arithmetic number, because the mean of its divisors is an integer number (30509352182323).

Almost surely, 2^{122037313235221} is an apocalyptic number.

It is an amenable number.

122037313235221 is a deficient number, since it is larger than the sum of its proper divisors (95494071).

122037313235221 is an equidigital number, since it uses as much as digits as its factorization.

122037313235221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95494070.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 122037313235221 its reverse (122532313730221), we get a palindrome (244569626965442).

The spelling of 122037313235221 in words is "one hundred twenty-two trillion, thirty-seven billion, three hundred thirteen million, two hundred thirty-five thousand, two hundred twenty-one".