20212220021110 has 64 divisors (see below), whose sum is σ = 39384888681600. Its totient is φ = 7424073925632.

The previous prime is 20212220021083. The next prime is 20212220021153. The reversal of 20212220021110 is 1112002221202.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 201731106 + ... + 201831274.

It is an arithmetic number, because the mean of its divisors is an integer number (615388885650).

Almost surely, 2^{20212220021110} is an apocalyptic number.

20212220021110 is a deficient number, since it is larger than the sum of its proper divisors (19172668660490).

20212220021110 is a wasteful number, since it uses less digits than its factorization.

20212220021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108265.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212220021110 its reverse (1112002221202), we get a palindrome (21324222242312).

The spelling of 20212220021110 in words is "twenty trillion, two hundred twelve billion, two hundred twenty million, twenty-one thousand, one hundred ten".