11022400401421 has 4 divisors (see below), whose sum is σ = 11291239435644. Its totient is φ = 10753561367200.

The previous prime is 11022400401391. The next prime is 11022400401431. The reversal of 11022400401421 is 12410400422011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4839071644521 + 6183328756900 = 2199789^2 + 2486630^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022400401421 - 2¹³ = 11022400393229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022400401392 and 11022400401401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022400401431) 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, 134419517050 + ... + 134419517131.

It is an arithmetic number, because the mean of its divisors is an integer number (2822809858911).

Almost surely, 2^{11022400401421} is an apocalyptic number.

It is an amenable number.

11022400401421 is a deficient number, since it is larger than the sum of its proper divisors (268839034223).

11022400401421 is an equidigital number, since it uses as much as digits as its factorization.

11022400401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268839034222.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11022400401421 its reverse (12410400422011), we get a palindrome (23432800823432).

The spelling of 11022400401421 in words is "eleven trillion, twenty-two billion, four hundred million, four hundred one thousand, four hundred twenty-one".