21110201022110 has 16 divisors (see below), whose sum is σ = 39998275621200. Its totient is φ = 7999655124096.

The previous prime is 21110201022109. The next prime is 21110201022143. The reversal of 21110201022110 is 1122010201112.

It is a congruent number.

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, 55553160395 + ... + 55553160774.

It is an arithmetic number, because the mean of its divisors is an integer number (2499892226325).

Almost surely, 2^{21110201022110} is an apocalyptic number.

21110201022110 is a deficient number, since it is larger than the sum of its proper divisors (18888074599090).

21110201022110 is a wasteful number, since it uses less digits than its factorization.

21110201022110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111106321195.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21110201022110 its reverse (1122010201112), we get a palindrome (22232211223222).

The spelling of 21110201022110 in words is "twenty-one trillion, one hundred ten billion, two hundred one million, twenty-two thousand, one hundred ten".