121210144331051 has 2 divisors, whose sum is σ = 121210144331052. Its totient is φ = 121210144331050.

The previous prime is 121210144331047. The next prime is 121210144331137. The reversal of 121210144331051 is 150133441012121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121210144331051 - 2² = 121210144331047 is a prime.

It is not a weakly prime, because it can be changed into another prime (121210140331051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605072165525 + 60605072165526.

It is an arithmetic number, because the mean of its divisors is an integer number (60605072165526).

Almost surely, 2^{121210144331051} is an apocalyptic number.

121210144331051 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210144331051 is an equidigital number, since it uses as much as digits as its factorization.

121210144331051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 121210144331051 its reverse (150133441012121), we get a palindrome (271343585343172).

The spelling of 121210144331051 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred forty-four million, three hundred thirty-one thousand, fifty-one".