11013224401421 has 16 divisors (see below), whose sum is σ = 12078071932608. Its totient is φ = 9959006803200.

The previous prime is 11013224401409. The next prime is 11013224401429. The reversal of 11013224401421 is 12410442231011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013224401421 is a prime.

It is a super-2 number, since 2×11013224401421² (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 (11013224401429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9326546 + ... + 10440828.

It is an arithmetic number, because the mean of its divisors is an integer number (754879495788).

Almost surely, 2^{11013224401421} is an apocalyptic number.

11013224401421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11013224401421 is a deficient number, since it is larger than the sum of its proper divisors (1064847531187).

11013224401421 is a wasteful number, since it uses less digits than its factorization.

11013224401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119052.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 11013224401421 its reverse (12410442231011), we get a palindrome (23423666632432).

The spelling of 11013224401421 in words is "eleven trillion, thirteen billion, two hundred twenty-four million, four hundred one thousand, four hundred twenty-one".