11121040020343 has 4 divisors (see below), whose sum is σ = 12132043658568. Its totient is φ = 10110036382120.

The previous prime is 11121040020329. The next prime is 11121040020347. The reversal of 11121040020343 is 34302004012111.

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-11121040020343 is a prime.

It is a super-2 number, since 2×11121040020343² (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 (11121040020347) 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, 505501819096 + ... + 505501819117.

It is an arithmetic number, because the mean of its divisors is an integer number (3033010914642).

Almost surely, 2^{11121040020343} is an apocalyptic number.

11121040020343 is a deficient number, since it is larger than the sum of its proper divisors (1011003638225).

11121040020343 is a wasteful number, since it uses less digits than its factorization.

11121040020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011003638224.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11121040020343 its reverse (34302004012111), we get a palindrome (45423044032454).

The spelling of 11121040020343 in words is "eleven trillion, one hundred twenty-one billion, forty million, twenty thousand, three hundred forty-three".