10133012021 has 12 divisors (see below), whose sum is σ = 11177613132. Its totient is φ = 9179016000.

The previous prime is 10133011991. The next prime is 10133012023. The reversal of 10133012021 is 12021033101.

10133012021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4370532100 + 5762479921 = 66110^2 + 75911^2 .

It is not a de Polignac number, because 10133012021 - 2⁶ = 10133011957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10133011987 and 10133012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133012023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115010 + ... + 183011.

It is an arithmetic number, because the mean of its divisors is an integer number (931467761).

Almost surely, 2^10133012021 is an apocalyptic number.

10133012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10133012021 is a deficient number, since it is larger than the sum of its proper divisors (1044601111).

10133012021 is a wasteful number, since it uses less digits than its factorization.

10133012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298324 (or 298313 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10133012021 its reverse (12021033101), we get a palindrome (22154045122).

The spelling of 10133012021 in words is "ten billion, one hundred thirty-three million, twelve thousand, twenty-one".