212021223110 has 16 divisors (see below), whose sum is σ = 387013388832. Its totient is φ = 83614003200.

The previous prime is 212021223109. The next prime is 212021223157. The reversal of 212021223110 is 11322120212.

It is a super-3 number, since 3×212021223110³ (a number of 35 digits) contains 333 as substring.

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, 149310011 + ... + 149311430.

It is an arithmetic number, because the mean of its divisors is an integer number (24188336802).

Almost surely, 2^212021223110 is an apocalyptic number.

212021223110 is a deficient number, since it is larger than the sum of its proper divisors (174992165722).

212021223110 is a wasteful number, since it uses less digits than its factorization.

212021223110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298621519.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212021223110 its reverse (11322120212), we get a palindrome (223343343322).

The spelling of 212021223110 in words is "two hundred twelve billion, twenty-one million, two hundred twenty-three thousand, one hundred ten".