121333112081 has 2 divisors, whose sum is σ = 121333112082. Its totient is φ = 121333112080.

The previous prime is 121333112059. The next prime is 121333112101. The reversal of 121333112081 is 180211333121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86504221456 + 34828890625 = 294116^2 + 186625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121333112081 is a prime.

It is a super-2 number, since 2×121333112081² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121333112081.

It is not a weakly prime, because it can be changed into another prime (121333112881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666556040 + 60666556041.

It is an arithmetic number, because the mean of its divisors is an integer number (60666556041).

Almost surely, 2^121333112081 is an apocalyptic number.

It is an amenable number.

121333112081 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333112081 is an equidigital number, since it uses as much as digits as its factorization.

121333112081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 121333112081 in words is "one hundred twenty-one billion, three hundred thirty-three million, one hundred twelve thousand, eighty-one".