2202211221111 has 24 divisors (see below), whose sum is σ = 3487766025744. Its totient is φ = 1327898463360.

The previous prime is 2202211221109. The next prime is 2202211221131. The reversal of 2202211221111 is 1111221122022.

2202211221111 is a `hidden beast` number, since 220 + 2 + 211 + 221 + 1 + 11 = 666.

It is not a de Polignac number, because 2202211221111 - 2¹ = 2202211221109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202211221131) 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, 56438766 + ... + 56477771.

It is an arithmetic number, because the mean of its divisors is an integer number (145323584406).

Almost surely, 2^{2202211221111} is an apocalyptic number.

2202211221111 is a deficient number, since it is larger than the sum of its proper divisors (1285554804633).

2202211221111 is a wasteful number, since it uses less digits than its factorization.

2202211221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112916751 (or 112916748 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2202211221111 its reverse (1111221122022), we get a palindrome (3313432343133).

The spelling of 2202211221111 in words is "two trillion, two hundred two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred eleven".