2121322254141 has 4 divisors (see below), whose sum is σ = 2828429672192. Its totient is φ = 1414214836092.

The previous prime is 2121322254097. The next prime is 2121322254151. The reversal of 2121322254141 is 1414522231212.

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 not a de Polignac number, because 2121322254141 - 2¹³ = 2121322245949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2121322254099 and 2121322254108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121322254151) 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, 353553709021 + ... + 353553709026.

It is an arithmetic number, because the mean of its divisors is an integer number (707107418048).

Almost surely, 2^{2121322254141} is an apocalyptic number.

It is an amenable number.

2121322254141 is a deficient number, since it is larger than the sum of its proper divisors (707107418051).

2121322254141 is an equidigital number, since it uses as much as digits as its factorization.

2121322254141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707107418050.

The product of its digits is 7680, while the sum is 30.

Adding to 2121322254141 its reverse (1414522231212), we get a palindrome (3535844485353).

The spelling of 2121322254141 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred fifty-four thousand, one hundred forty-one".