10121322133 has 4 divisors (see below), whose sum is σ = 10899885388. Its totient is φ = 9342758880.

The previous prime is 10121322083. The next prime is 10121322149. The reversal of 10121322133 is 33122312101.

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 797102289 + 9324219844 = 28233^2 + 96562^2 .

It is not a de Polignac number, because 10121322133 - 2²¹ = 10119224981 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 10121322133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121322833) 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, 389281608 + ... + 389281633.

It is an arithmetic number, because the mean of its divisors is an integer number (2724971347).

Almost surely, 2^10121322133 is an apocalyptic number.

10121322133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10121322133 is a deficient number, since it is larger than the sum of its proper divisors (778563255).

10121322133 is an equidigital number, since it uses as much as digits as its factorization.

10121322133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778563254.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10121322133 its reverse (33122312101), we get a palindrome (43243634234).

The spelling of 10121322133 in words is "ten billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty-three".