11010021111431 has 4 divisors (see below), whose sum is σ = 11010040956864. Its totient is φ = 11010001266000.

The previous prime is 11010021111377. The next prime is 11010021111433. The reversal of 11010021111431 is 13411112001011.

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

It is a cyclic number.

It is not a de Polignac number, because 11010021111431 - 2³⁴ = 10992841242247 is a prime.

It is a super-2 number, since 2×11010021111431² (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 (11010021111433) 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, 9065870 + ... + 10208331.

It is an arithmetic number, because the mean of its divisors is an integer number (2752510239216).

Almost surely, 2^{11010021111431} is an apocalyptic number.

11010021111431 is a deficient number, since it is larger than the sum of its proper divisors (19845433).

11010021111431 is an equidigital number, since it uses as much as digits as its factorization.

11010021111431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19845432.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11010021111431 its reverse (13411112001011), we get a palindrome (24421133112442).

The spelling of 11010021111431 in words is "eleven trillion, ten billion, twenty-one million, one hundred eleven thousand, four hundred thirty-one".