121122233332021 has 4 divisors (see below), whose sum is σ = 121122581959372. Its totient is φ = 121121884704672.

The previous prime is 121122233331997. The next prime is 121122233332039. The reversal of 121122233332021 is 120233332221121.

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 115794515337796 + 5327717994225 = 10760786^2 + 2308185^2 .

It is a cyclic number.

It is not a de Polignac number, because 121122233332021 - 2⁹ = 121122233331509 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 (121122233332621) 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, 173792016 + ... + 174487561.

It is an arithmetic number, because the mean of its divisors is an integer number (30280645489843).

Almost surely, 2^{121122233332021} is an apocalyptic number.

It is an amenable number.

121122233332021 is a deficient number, since it is larger than the sum of its proper divisors (348627351).

121122233332021 is an equidigital number, since it uses as much as digits as its factorization.

121122233332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348627350.

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

Adding to 121122233332021 its reverse (120233332221121), we get a palindrome (241355565553142).

The spelling of 121122233332021 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, three hundred thirty-two thousand, twenty-one".