21003311333122 has 16 divisors (see below), whose sum is σ = 31994274970944. Its totient is φ = 10338975010000.

The previous prime is 21003311333117. The next prime is 21003311333131. The reversal of 21003311333122 is 22133311330012.

It is a super-2 number, since 2×21003311333122² (a number of 27 digits) contains 22 as substring.

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, 105400204 + ... + 105599287.

It is an arithmetic number, because the mean of its divisors is an integer number (1999642185684).

Almost surely, 2^{21003311333122} is an apocalyptic number.

21003311333122 is a deficient number, since it is larger than the sum of its proper divisors (10990963637822).

21003311333122 is a wasteful number, since it uses less digits than its factorization.

21003311333122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211000265.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21003311333122 its reverse (22133311330012), we get a palindrome (43136622663134).

The spelling of 21003311333122 in words is "twenty-one trillion, three billion, three hundred eleven million, three hundred thirty-three thousand, one hundred twenty-two".