11001213214431 has 8 divisors (see below), whose sum is σ = 16001764675584. Its totient is φ = 6667401948120.

The previous prime is 11001213214429. The next prime is 11001213214463. The reversal of 11001213214431 is 13441231210011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11001213214431 - 2¹ = 11001213214429 is a prime.

It is a super-2 number, since 2×11001213214431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001213214421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166685048671 + ... + 166685048736.

It is an arithmetic number, because the mean of its divisors is an integer number (2000220584448).

Almost surely, 2^{11001213214431} is an apocalyptic number.

11001213214431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001213214431 is a deficient number, since it is larger than the sum of its proper divisors (5000551461153).

11001213214431 is a wasteful number, since it uses less digits than its factorization.

11001213214431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333370097421.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 11001213214431 its reverse (13441231210011), we get a palindrome (24442444424442).

The spelling of 11001213214431 in words is "eleven trillion, one billion, two hundred thirteen million, two hundred fourteen thousand, four hundred thirty-one".