10010120430421 has 4 divisors (see below), whose sum is σ = 10010759376352. Its totient is φ = 10009481484492.

The previous prime is 10010120430353. The next prime is 10010120430449. The reversal of 10010120430421 is 12403402101001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10010120430421 - 2⁹ = 10010120429909 is a prime.

It is a super-2 number, since 2×10010120430421² (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 (10010120430481) 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, 319449465 + ... + 319480798.

It is an arithmetic number, because the mean of its divisors is an integer number (2502689844088).

Almost surely, 2^{10010120430421} is an apocalyptic number.

It is an amenable number.

10010120430421 is a deficient number, since it is larger than the sum of its proper divisors (638945931).

10010120430421 is an equidigital number, since it uses as much as digits as its factorization.

10010120430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638945930.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10010120430421 its reverse (12403402101001), we get a palindrome (22413522531422).

The spelling of 10010120430421 in words is "ten trillion, ten billion, one hundred twenty million, four hundred thirty thousand, four hundred twenty-one".