2220111111121 has 8 divisors (see below), whose sum is σ = 2249586697280. Its totient is φ = 2190787854192.

The previous prime is 2220111111107. The next prime is 2220111111143. The reversal of 2220111111121 is 1211111110222.

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

It is a cyclic number.

It is not a de Polignac number, because 2220111111121 - 2⁷ = 2220111110993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220111111095 and 2220111111104.

It is not an unprimeable number, because it can be changed into a prime (2220111117121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38052966 + ... + 38111263.

It is an arithmetic number, because the mean of its divisors is an integer number (281198337160).

Almost surely, 2^{2220111111121} is an apocalyptic number.

It is an amenable number.

2220111111121 is a deficient number, since it is larger than the sum of its proper divisors (29475586159).

2220111111121 is a wasteful number, since it uses less digits than its factorization.

2220111111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76164615.

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

Adding to 2220111111121 its reverse (1211111110222), we get a palindrome (3431222221343).

The spelling of 2220111111121 in words is "two trillion, two hundred twenty billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-one".