2220111202111 has 4 divisors (see below), whose sum is σ = 2421939493224. Its totient is φ = 2018282911000.

The previous prime is 2220111202109. The next prime is 2220111202123. The reversal of 2220111202111 is 1112021110222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220111202111 - 2¹ = 2220111202109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220111202181) 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, 100914145540 + ... + 100914145561.

It is an arithmetic number, because the mean of its divisors is an integer number (605484873306).

Almost surely, 2^{2220111202111} is an apocalyptic number.

2220111202111 is a deficient number, since it is larger than the sum of its proper divisors (201828291113).

2220111202111 is a wasteful number, since it uses less digits than its factorization.

2220111202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201828291112.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2220111202111 its reverse (1112021110222), we get a palindrome (3332132312333).

The spelling of 2220111202111 in words is "two trillion, two hundred twenty billion, one hundred eleven million, two hundred two thousand, one hundred eleven".