10402022144021 has 4 divisors (see below), whose sum is σ = 10481426893344. Its totient is φ = 10322617394700.

The previous prime is 10402022144009. The next prime is 10402022144023. The reversal of 10402022144021 is 12044122020401.

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 a de Polignac number, because none of the positive numbers 2^k-10402022144021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402022144023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39702374465 + ... + 39702374726.

It is an arithmetic number, because the mean of its divisors is an integer number (2620356723336).

Almost surely, 2^{10402022144021} is an apocalyptic number.

It is an amenable number.

10402022144021 is a deficient number, since it is larger than the sum of its proper divisors (79404749323).

10402022144021 is an equidigital number, since it uses as much as digits as its factorization.

10402022144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79404749322.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 10402022144021 its reverse (12044122020401), we get a palindrome (22446144164422).

The spelling of 10402022144021 in words is "ten trillion, four hundred two billion, twenty-two million, one hundred forty-four thousand, twenty-one".