2111001111222 has 8 divisors (see below), whose sum is σ = 4222002222456. Its totient is φ = 703667037072.

The previous prime is 2111001111199. The next prime is 2111001111223. The reversal of 2111001111222 is 2221111001112.

It is a happy number.

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

2111001111222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111001111223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175916759263 + ... + 175916759274.

It is an arithmetic number, because the mean of its divisors is an integer number (527750277807).

Almost surely, 2^{2111001111222} is an apocalyptic number.

2111001111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2111001111222 is a wasteful number, since it uses less digits than its factorization.

2111001111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351833518542.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111001111222 its reverse (2221111001112), we get a palindrome (4332112112334).

The spelling of 2111001111222 in words is "two trillion, one hundred eleven billion, one million, one hundred eleven thousand, two hundred twenty-two".