21013100201110 has 32 divisors (see below), whose sum is σ = 38259149385600. Its totient is φ = 8308804798080.

The previous prime is 21013100201077. The next prime is 21013100201113. The reversal of 21013100201110 is 1110200131012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21013100201113) 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, 21894565 + ... + 22834144.

It is an arithmetic number, because the mean of its divisors is an integer number (1195598418300).

Almost surely, 2^{21013100201110} is an apocalyptic number.

21013100201110 is a deficient number, since it is larger than the sum of its proper divisors (17246049184490).

21013100201110 is a wasteful number, since it uses less digits than its factorization.

21013100201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44729256.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 21013100201110 its reverse (1110200131012), we get a palindrome (22123300332122).

The spelling of 21013100201110 in words is "twenty-one trillion, thirteen billion, one hundred million, two hundred one thousand, one hundred ten".