210222011121 has 8 divisors (see below), whose sum is σ = 284135686560. Its totient is φ = 138228171552.

The previous prime is 210222011117. The next prime is 210222011147. The reversal of 210222011121 is 121110222012.

210222011121 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 210222011121 - 2² = 210222011117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210222011121.

It is not an unprimeable number, because it can be changed into a prime (210222051121) 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, 479958711 + ... + 479959148.

It is an arithmetic number, because the mean of its divisors is an integer number (35516960820).

Almost surely, 2^210222011121 is an apocalyptic number.

It is an amenable number.

210222011121 is a deficient number, since it is larger than the sum of its proper divisors (73913675439).

210222011121 is an equidigital number, since it uses as much as digits as its factorization.

210222011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959917935.

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

Adding to 210222011121 its reverse (121110222012), we get a palindrome (331332233133).

The spelling of 210222011121 in words is "two hundred ten billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".