121035412291 has 2 divisors, whose sum is σ = 121035412292. Its totient is φ = 121035412290.

The previous prime is 121035412279. The next prime is 121035412327. The reversal of 121035412291 is 192214530121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121035412291 - 2⁹ = 121035411779 is a prime.

It is not a weakly prime, because it can be changed into another prime (121035412231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60517706145 + 60517706146.

It is an arithmetic number, because the mean of its divisors is an integer number (60517706146).

Almost surely, 2^121035412291 is an apocalyptic number.

121035412291 is a deficient number, since it is larger than the sum of its proper divisors (1).

121035412291 is an equidigital number, since it uses as much as digits as its factorization.

121035412291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 121035412291 in words is "one hundred twenty-one billion, thirty-five million, four hundred twelve thousand, two hundred ninety-one".