212021002110 has 32 divisors (see below), whose sum is σ = 508880778912. Its totient is φ = 56535559040.

The previous prime is 212021002079. The next prime is 212021002121. The reversal of 212021002110 is 11200120212.

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, 322120 + ... + 726500.

It is an arithmetic number, because the mean of its divisors is an integer number (15902524341).

Almost surely, 2^212021002110 is an apocalyptic number.

212021002110 is an abundant number, since it is smaller than the sum of its proper divisors (296859776802).

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

212021002110 is a wasteful number, since it uses less digits than its factorization.

212021002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421868.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212021002110 its reverse (11200120212), we get a palindrome (223221122322).

The spelling of 212021002110 in words is "two hundred twelve billion, twenty-one million, two thousand, one hundred ten".