2122004022431 has 4 divisors (see below), whose sum is σ = 2122072326864. Its totient is φ = 2121935718000.

The previous prime is 2122004022377. The next prime is 2122004022443. The reversal of 2122004022431 is 1342204002212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122004022431 is a prime.

It is a super-2 number, since 2×2122004022431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122004022397 and 2122004022406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122004022631) 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, 34105595 + ... + 34167756.

It is an arithmetic number, because the mean of its divisors is an integer number (530518081716).

Almost surely, 2^{2122004022431} is an apocalyptic number.

2122004022431 is a deficient number, since it is larger than the sum of its proper divisors (68304433).

2122004022431 is an equidigital number, since it uses as much as digits as its factorization.

2122004022431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68304432.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2122004022431 its reverse (1342204002212), we get a palindrome (3464208024643).

The spelling of 2122004022431 in words is "two trillion, one hundred twenty-two billion, four million, twenty-two thousand, four hundred thirty-one".