21033411451122 has 32 divisors (see below), whose sum is σ = 48105209244672. Its totient is φ = 6005941102224.

The previous prime is 21033411451079. The next prime is 21033411451147. The reversal of 21033411451122 is 22115411433012.

It is a self number, because there is not a number n which added to its sum of digits gives 21033411451122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150138598 + ... + 150278625.

It is an arithmetic number, because the mean of its divisors is an integer number (1503287788896).

Almost surely, 2^{21033411451122} is an apocalyptic number.

21033411451122 is an abundant number, since it is smaller than the sum of its proper divisors (27071797793550).

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

21033411451122 is a wasteful number, since it uses less digits than its factorization.

21033411451122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300418902.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 21033411451122 its reverse (22115411433012), we get a palindrome (43148822884134).

The spelling of 21033411451122 in words is "twenty-one trillion, thirty-three billion, four hundred eleven million, four hundred fifty-one thousand, one hundred twenty-two".