110210402133221 has 16 divisors (see below), whose sum is σ = 122785215986160. Its totient is φ = 98221138176000.

The previous prime is 110210402133197. The next prime is 110210402133257. The reversal of 110210402133221 is 122331204012011.

It can be written as a sum of positive squares in 8 ways, for example, as 89409372196 + 110120992761025 = 299014^2 + 10493855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110210402133221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210402133421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5336291 + ... + 15776463.

It is an arithmetic number, because the mean of its divisors is an integer number (7674075999135).

Almost surely, 2^{110210402133221} is an apocalyptic number.

It is an amenable number.

110210402133221 is a deficient number, since it is larger than the sum of its proper divisors (12574813852939).

110210402133221 is a wasteful number, since it uses less digits than its factorization.

110210402133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10468216.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 110210402133221 its reverse (122331204012011), we get a palindrome (232541606145232).

The spelling of 110210402133221 in words is "one hundred ten trillion, two hundred ten billion, four hundred two million, one hundred thirty-three thousand, two hundred twenty-one".