11000421222420 has 96 divisors (see below), whose sum is σ = 35204139129600. Its totient is φ = 2514182621184.

The previous prime is 11000421222391. The next prime is 11000421222451. The reversal of 11000421222420 is 2422212400011.

It is a super-2 number, since 2×11000421222420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4297326 + ... + 6361434.

It is an arithmetic number, because the mean of its divisors is an integer number (366709782600).

Almost surely, 2^{11000421222420} is an apocalyptic number.

11000421222420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000421222420 is an abundant number, since it is smaller than the sum of its proper divisors (24203717907180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11000421222420 is a wasteful number, since it uses less digits than its factorization.

11000421222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076817 (or 2076815 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11000421222420 its reverse (2422212400011), we get a palindrome (13422633622431).

The spelling of 11000421222420 in words is "eleven trillion, four hundred twenty-one million, two hundred twenty-two thousand, four hundred twenty".