10133211211021 has 4 divisors (see below), whose sum is σ = 10133281500444. Its totient is φ = 10133140921600.

The previous prime is 10133211211001. The next prime is 10133211211049. The reversal of 10133211211021 is 12011211233101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3695756329225 + 6437454881796 = 1922435^2 + 2537214^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133211211021 - 2³⁹ = 9583455397133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10133211211021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133211211001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34928020 + ... + 35216941.

It is an arithmetic number, because the mean of its divisors is an integer number (2533320375111).

Almost surely, 2^{10133211211021} is an apocalyptic number.

It is an amenable number.

10133211211021 is a deficient number, since it is larger than the sum of its proper divisors (70289423).

10133211211021 is an equidigital number, since it uses as much as digits as its factorization.

10133211211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70289422.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10133211211021 its reverse (12011211233101), we get a palindrome (22144422444122).

The spelling of 10133211211021 in words is "ten trillion, one hundred thirty-three billion, two hundred eleven million, two hundred eleven thousand, twenty-one".