210022221111 has 8 divisors (see below), whose sum is σ = 280038102384. Its totient is φ = 140010576960.

The previous prime is 210022221053. The next prime is 210022221113. The reversal of 210022221111 is 111122220012.

210022221111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210022221111 - 2¹⁰ = 210022220087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022221113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 941760 + ... + 1143221.

It is an arithmetic number, because the mean of its divisors is an integer number (35004762798).

Almost surely, 2^210022221111 is an apocalyptic number.

210022221111 is a deficient number, since it is larger than the sum of its proper divisors (70015881273).

210022221111 is a wasteful number, since it uses less digits than its factorization.

210022221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118561.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210022221111 its reverse (111122220012), we get a palindrome (321144441123).

The spelling of 210022221111 in words is "two hundred ten billion, twenty-two million, two hundred twenty-one thousand, one hundred eleven".