21200102201110 has 256 divisors, whose sum is σ = 46495088640000. Its totient is φ = 6798613409280.

The previous prime is 21200102201101. The next prime is 21200102201111. The reversal of 21200102201110 is 1110220100212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200102201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29161075567 + ... + 29161076293.

It is an arithmetic number, because the mean of its divisors is an integer number (181621440000).

Almost surely, 2^{21200102201110} is an apocalyptic number.

21200102201110 is an abundant number, since it is smaller than the sum of its proper divisors (25294986438890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21200102201110 is a wasteful number, since it uses less digits than its factorization.

21200102201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21200102201110 its reverse (1110220100212), we get a palindrome (22310322301322).

The spelling of 21200102201110 in words is "twenty-one trillion, two hundred billion, one hundred two million, two hundred one thousand, one hundred ten".