10133120010421 has 4 divisors (see below), whose sum is σ = 10136888373100. Its totient is φ = 10129351647744.

The previous prime is 10133120010413. The next prime is 10133120010487. The reversal of 10133120010421 is 12401002133101.

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 3422170707921 + 6710949302500 = 1849911^2 + 2590550^2 .

It is a cyclic number.

It is not a de Polignac number, because 10133120010421 - 2³ = 10133120010413 is a prime.

It is a super-2 number, since 2×10133120010421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133120020421) 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, 1884177306 + ... + 1884182683.

It is an arithmetic number, because the mean of its divisors is an integer number (2534222093275).

Almost surely, 2^{10133120010421} is an apocalyptic number.

It is an amenable number.

10133120010421 is a deficient number, since it is larger than the sum of its proper divisors (3768362679).

10133120010421 is an equidigital number, since it uses as much as digits as its factorization.

10133120010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768362678.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10133120010421 its reverse (12401002133101), we get a palindrome (22534122143522).

The spelling of 10133120010421 in words is "ten trillion, one hundred thirty-three billion, one hundred twenty million, ten thousand, four hundred twenty-one".