210011122120222 has 4 divisors (see below), whose sum is σ = 315016683180336. Its totient is φ = 105005561060110.

The previous prime is 210011122120187. The next prime is 210011122120259. The reversal of 210011122120222 is 222021221110012.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 210011122120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52502780530054 + ... + 52502780530057.

It is an arithmetic number, because the mean of its divisors is an integer number (78754170795084).

Almost surely, 2^{210011122120222} is an apocalyptic number.

210011122120222 is a deficient number, since it is larger than the sum of its proper divisors (105005561060114).

210011122120222 is a wasteful number, since it uses less digits than its factorization.

210011122120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105005561060113.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210011122120222 its reverse (222021221110012), we get a palindrome (432032343230234).

The spelling of 210011122120222 in words is "two hundred ten trillion, eleven billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twenty-two".