121333212901 has 2 divisors, whose sum is σ = 121333212902. Its totient is φ = 121333212900.

The previous prime is 121333212877. The next prime is 121333212953. The reversal of 121333212901 is 109212333121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91533477025 + 29799735876 = 302545^2 + 172626^2 .

It is a cyclic number.

It is not a de Polignac number, because 121333212901 - 2¹⁷ = 121333081829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121333212901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121333212971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666606450 + 60666606451.

It is an arithmetic number, because the mean of its divisors is an integer number (60666606451).

Almost surely, 2^121333212901 is an apocalyptic number.

It is an amenable number.

121333212901 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333212901 is an equidigital number, since it uses as much as digits as its factorization.

121333212901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 121333212901 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred twelve thousand, nine hundred one".