210113133000021 has 24 divisors (see below), whose sum is σ = 306143675516640. Its totient is φ = 138858181294176.

The previous prime is 210113132999993. The next prime is 210113133000053. The reversal of 210113133000021 is 120000331311012.

210113133000021 is a `hidden beast` number, since 21 + 0 + 11 + 313 + 300 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 210113133000021 - 2¹⁰ = 210113132998997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210113132999958 and 210113133000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210113133100021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183524971 + ... + 184666296.

It is an arithmetic number, because the mean of its divisors is an integer number (12755986479860).

Almost surely, 2^{210113133000021} is an apocalyptic number.

It is an amenable number.

210113133000021 is a deficient number, since it is larger than the sum of its proper divisors (96030542516619).

210113133000021 is a wasteful number, since it uses less digits than its factorization.

210113133000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368191825 (or 368191822 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 210113133000021 its reverse (120000331311012), we get a palindrome (330113464311033).

The spelling of 210113133000021 in words is "two hundred ten trillion, one hundred thirteen billion, one hundred thirty-three million, twenty-one", and thus it is an aban number.