10133223206921 has 2 divisors, whose sum is σ = 10133223206922. Its totient is φ = 10133223206920.

The previous prime is 10133223206917. The next prime is 10133223206923. The reversal of 10133223206921 is 12960232233101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5405160010000 + 4728063196921 = 2324900^2 + 2174411^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133223206921 - 2² = 10133223206917 is a prime.

It is a super-2 number, since 2×10133223206921² (a number of 27 digits) contains 22 as substring.

Together with 10133223206923, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10133223206923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066611603460 + 5066611603461.

It is an arithmetic number, because the mean of its divisors is an integer number (5066611603461).

Almost surely, 2^{10133223206921} is an apocalyptic number.

It is an amenable number.

10133223206921 is a deficient number, since it is larger than the sum of its proper divisors (1).

10133223206921 is an equidigital number, since it uses as much as digits as its factorization.

10133223206921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 10133223206921 in words is "ten trillion, one hundred thirty-three billion, two hundred twenty-three million, two hundred six thousand, nine hundred twenty-one".