11021003033420 has 24 divisors (see below), whose sum is σ = 23172296546448. Its totient is φ = 4403031656000.

The previous prime is 11021003033419. The next prime is 11021003033437. The reversal of 11021003033420 is 2433030012011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11021003033392 and 11021003033401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335580506 + ... + 335613345.

It is an arithmetic number, because the mean of its divisors is an integer number (965512356102).

Almost surely, 2^{11021003033420} is an apocalyptic number.

11021003033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021003033420 is an abundant number, since it is smaller than the sum of its proper divisors (12151293513028).

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

11021003033420 is a wasteful number, since it uses less digits than its factorization.

11021003033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671194681 (or 671194679 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11021003033420 its reverse (2433030012011), we get a palindrome (13454033045431).

The spelling of 11021003033420 in words is "eleven trillion, twenty-one billion, three million, thirty-three thousand, four hundred twenty".