210522225011 has 24 divisors (see below), whose sum is σ = 247125985200. Its totient is φ = 178808212800.

The previous prime is 210522224993. The next prime is 210522225013. The reversal of 210522225011 is 110522225012.

It is not a de Polignac number, because 210522225011 - 2¹⁰ = 210522223987 is a prime.

It is a super-2 number, since 2×210522225011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210522225013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3039476 + ... + 3107966.

It is an arithmetic number, because the mean of its divisors is an integer number (10296916050).

Almost surely, 2^210522225011 is an apocalyptic number.

210522225011 is a deficient number, since it is larger than the sum of its proper divisors (36603760189).

210522225011 is a wasteful number, since it uses less digits than its factorization.

210522225011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69075 (or 69068 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Subtracting from 210522225011 its reverse (110522225012), we obtain a palindrome (99999999999).

The spelling of 210522225011 in words is "two hundred ten billion, five hundred twenty-two million, two hundred twenty-five thousand, eleven".