21330133122 has 16 divisors (see below), whose sum is σ = 42700946400. Its totient is φ = 7103264352.

The previous prime is 21330133081. The next prime is 21330133133. The reversal of 21330133122 is 22133103312.

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, 1688188 + ... + 1700775.

It is an arithmetic number, because the mean of its divisors is an integer number (2668809150).

Almost surely, 2^21330133122 is an apocalyptic number.

21330133122 is an abundant number, since it is smaller than the sum of its proper divisors (21370813278).

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

21330133122 is a wasteful number, since it uses less digits than its factorization.

21330133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390017.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21330133122 its reverse (22133103312), we get a palindrome (43463236434).

The spelling of 21330133122 in words is "twenty-one billion, three hundred thirty million, one hundred thirty-three thousand, one hundred twenty-two".