121201210211933 has 2 divisors, whose sum is σ = 121201210211934. Its totient is φ = 121201210211932.

The previous prime is 121201210211929. The next prime is 121201210212073. The reversal of 121201210211933 is 339112012102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111524519307289 + 9676690904644 = 10560517^2 + 3110738^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201210211933 - 2² = 121201210211929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121201210211896 and 121201210211905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201200211933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600605105966 + 60600605105967.

It is an arithmetic number, because the mean of its divisors is an integer number (60600605105967).

Almost surely, 2^{121201210211933} is an apocalyptic number.

It is an amenable number.

121201210211933 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201210211933 is an equidigital number, since it uses as much as digits as its factorization.

121201210211933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 121201210211933 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred ten million, two hundred eleven thousand, nine hundred thirty-three".