21133322110 has 16 divisors (see below), whose sum is σ = 38043459216. Its totient is φ = 8452555648.

The previous prime is 21133322107. The next prime is 21133322117. The reversal of 21133322110 is 1122333112.

It is a super-3 number, since 3×21133322110³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133322117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25497 + ... + 207163.

It is an arithmetic number, because the mean of its divisors is an integer number (2377716201).

Almost surely, 2^21133322110 is an apocalyptic number.

21133322110 is a deficient number, since it is larger than the sum of its proper divisors (16910137106).

21133322110 is a wasteful number, since it uses less digits than its factorization.

21133322110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193307.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21133322110 its reverse (1122333112), we get a palindrome (22255655222).

The spelling of 21133322110 in words is "twenty-one billion, one hundred thirty-three million, three hundred twenty-two thousand, one hundred ten".