212021011110 has 32 divisors (see below), whose sum is σ = 508970153952. Its totient is φ = 56525633280.

The previous prime is 212021011109. The next prime is 212021011151. The reversal of 212021011110 is 11110120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701479 + ... + 957138.

It is an arithmetic number, because the mean of its divisors is an integer number (15905317311).

Almost surely, 2^212021011110 is an apocalyptic number.

212021011110 is an abundant number, since it is smaller than the sum of its proper divisors (296949142842).

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

212021011110 is a wasteful number, since it uses less digits than its factorization.

212021011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662888.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212021011110 its reverse (11110120212), we get a palindrome (223131131322).

The spelling of 212021011110 in words is "two hundred twelve billion, twenty-one million, eleven thousand, one hundred ten".