2221011040431 has 4 divisors (see below), whose sum is σ = 2961348053912. Its totient is φ = 1480674026952.

The previous prime is 2221011040399. The next prime is 2221011040433. The reversal of 2221011040431 is 1340401101222.

2221011040431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2221011040431 - 2⁵ = 2221011040399 is a prime.

It is a super-2 number, since 2×2221011040431² (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 = 2221011040398 and 2221011040407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221011040433) 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, 370168506736 + ... + 370168506741.

It is an arithmetic number, because the mean of its divisors is an integer number (740337013478).

Almost surely, 2^{2221011040431} is an apocalyptic number.

2221011040431 is a deficient number, since it is larger than the sum of its proper divisors (740337013481).

2221011040431 is an equidigital number, since it uses as much as digits as its factorization.

2221011040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740337013480.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2221011040431 its reverse (1340401101222), we get a palindrome (3561412141653).

The spelling of 2221011040431 in words is "two trillion, two hundred twenty-one billion, eleven million, forty thousand, four hundred thirty-one".