121120201429 has 2 divisors, whose sum is σ = 121120201430. Its totient is φ = 121120201428.

The previous prime is 121120201421. The next prime is 121120201469. The reversal of 121120201429 is 924102021121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115647604900 + 5472596529 = 340070^2 + 73977^2 .

It is a cyclic number.

It is not a de Polignac number, because 121120201429 - 2³ = 121120201421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121120201421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560100714 + 60560100715.

It is an arithmetic number, because the mean of its divisors is an integer number (60560100715).

Almost surely, 2^121120201429 is an apocalyptic number.

It is an amenable number.

121120201429 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120201429 is an equidigital number, since it uses as much as digits as its factorization.

121120201429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 121120201429 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred one thousand, four hundred twenty-nine".