21003322211120 has 80 divisors (see below), whose sum is σ = 49338735535488. Its totient is φ = 8314282229760.

The previous prime is 21003322211021. The next prime is 21003322211149. The reversal of 21003322211120 is 2111222330012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×21003322211120² (a number of 27 digits) contains 22 as substring.

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 = 21003322211092 and 21003322211101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176690105 + ... + 176808935.

Almost surely, 2^{21003322211120} is an apocalyptic number.

21003322211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21003322211120 is an abundant number, since it is smaller than the sum of its proper divisors (28335413324368).

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

21003322211120 is a wasteful number, since it uses less digits than its factorization.

21003322211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141718 (or 141712 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21003322211120 its reverse (2111222330012), we get a palindrome (23114544541132).

The spelling of 21003322211120 in words is "twenty-one trillion, three billion, three hundred twenty-two million, two hundred eleven thousand, one hundred twenty".