211122202221112 has 32 divisors (see below), whose sum is σ = 487205082050400. Its totient is φ = 83520871208064.

The previous prime is 211122202221101. The next prime is 211122202221187.

211122202221112 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×211122202221112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145001511787 + ... + 145001513242.

It is an arithmetic number, because the mean of its divisors is an integer number (15225158814075).

Almost surely, 2^{211122202221112} is an apocalyptic number.

It is an amenable number.

211122202221112 is an abundant number, since it is smaller than the sum of its proper divisors (276082879829288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211122202221112 is a wasteful number, since it uses less digits than its factorization.

211122202221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290003025055 (or 290003025051 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

It can be divided in two parts, 21112220 and 2221112, that added together give a palindrome (23333332).

The spelling of 211122202221112 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, one hundred twelve".