121013303222381 has 2 divisors, whose sum is σ = 121013303222382. Its totient is φ = 121013303222380.

The previous prime is 121013303222369. The next prime is 121013303222443. The reversal of 121013303222381 is 183222303310121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95549471553481 + 25463831668900 = 9774941^2 + 5046170^2 .

It is a cyclic number.

It is not a de Polignac number, because 121013303222381 - 2¹⁰ = 121013303221357 is a prime.

It is a super-2 number, since 2×121013303222381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121013308222381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506651611190 + 60506651611191.

It is an arithmetic number, because the mean of its divisors is an integer number (60506651611191).

Almost surely, 2^{121013303222381} is an apocalyptic number.

It is an amenable number.

121013303222381 is a deficient number, since it is larger than the sum of its proper divisors (1).

121013303222381 is an equidigital number, since it uses as much as digits as its factorization.

121013303222381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 121013303222381 in words is "one hundred twenty-one trillion, thirteen billion, three hundred three million, two hundred twenty-two thousand, three hundred eighty-one".