2122200222111 has 96 divisors (see below), whose sum is σ = 3382312647168. Its totient is φ = 1276411944960.

The previous prime is 2122200222097. The next prime is 2122200222113. The reversal of 2122200222111 is 1112220022212.

It is a happy number.

2122200222111 is a `hidden beast` number, since 212 + 220 + 0 + 2 + 221 + 11 = 666.

It is not a de Polignac number, because 2122200222111 - 2⁶ = 2122200222047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122200222113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 227284635 + ... + 227293971.

It is an arithmetic number, because the mean of its divisors is an integer number (35232423408).

Almost surely, 2^{2122200222111} is an apocalyptic number.

2122200222111 is a deficient number, since it is larger than the sum of its proper divisors (1260112425057).

2122200222111 is a wasteful number, since it uses less digits than its factorization.

2122200222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9841 (or 9838 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122200222111 its reverse (1112220022212), we get a palindrome (3234420244323).

It can be divided in two parts, 212220022211 and 1, that added together give a palindrome (212220022212).

The spelling of 2122200222111 in words is "two trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, one hundred eleven".