121121213231159 has 2 divisors, whose sum is σ = 121121213231160. Its totient is φ = 121121213231158.

The previous prime is 121121213231153. The next prime is 121121213231267. The reversal of 121121213231159 is 951132312121121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121121213231159 - 2²⁸ = 121120944795703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121121213231153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560606615579 + 60560606615580.

It is an arithmetic number, because the mean of its divisors is an integer number (60560606615580).

Almost surely, 2^{121121213231159} is an apocalyptic number.

121121213231159 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121213231159 is an equidigital number, since it uses as much as digits as its factorization.

121121213231159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 35.

The spelling of 121121213231159 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred fifty-nine".