21112002110210 has 32 divisors (see below), whose sum is σ = 41671094550912. Its totient is φ = 7637313991680.

The previous prime is 21112002110209. The next prime is 21112002110233. The reversal of 21112002110210 is 1201120021112.

It is a super-2 number, since 2×21112002110210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 497199734 + ... + 497242193.

It is an arithmetic number, because the mean of its divisors is an integer number (1302221704716).

Almost surely, 2^{21112002110210} is an apocalyptic number.

21112002110210 is a deficient number, since it is larger than the sum of its proper divisors (20559092440702).

21112002110210 is a wasteful number, since it uses less digits than its factorization.

21112002110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994442138.

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

Adding to 21112002110210 its reverse (1201120021112), we get a palindrome (22313122131322).

It can be divided in two parts, 211120021102 and 10, that added together give a palindrome (211120021112).

The spelling of 21112002110210 in words is "twenty-one trillion, one hundred twelve billion, two million, one hundred ten thousand, two hundred ten".