121333333117 has 2 divisors, whose sum is σ = 121333333118. Its totient is φ = 121333333116.

The previous prime is 121333333087. The next prime is 121333333141. The reversal of 121333333117 is 711333333121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120617984601 + 715348516 = 347301^2 + 26746^2 .

It is a cyclic number.

It is not a de Polignac number, because 121333333117 - 2³¹ = 119185849469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121333333817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666666558 + 60666666559.

It is an arithmetic number, because the mean of its divisors is an integer number (60666666559).

Almost surely, 2^121333333117 is an apocalyptic number.

It is an amenable number.

121333333117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333333117 is an equidigital number, since it uses as much as digits as its factorization.

121333333117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 31.

Adding to 121333333117 its reverse (711333333121), we get a palindrome (832666666238).

The spelling of 121333333117 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-three thousand, one hundred seventeen".