21102010211110 has 16 divisors (see below), whose sum is σ = 39208896392832. Its totient is φ = 8168520081600.

The previous prime is 21102010211081. The next prime is 21102010211111. The reversal of 21102010211110 is 1111201020112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102010211111) 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, 34035500031 + ... + 34035500650.

It is an arithmetic number, because the mean of its divisors is an integer number (2450556024552).

Almost surely, 2^{21102010211110} is an apocalyptic number.

21102010211110 is a deficient number, since it is larger than the sum of its proper divisors (18106886181722).

21102010211110 is a wasteful number, since it uses less digits than its factorization.

21102010211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68071000719.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 21102010211110 its reverse (1111201020112), we get a palindrome (22213211231222).

The spelling of 21102010211110 in words is "twenty-one trillion, one hundred two billion, ten million, two hundred eleven thousand, one hundred ten".