2122220011111 has 8 divisors (see below), whose sum is σ = 2129158255104. Its totient is φ = 2115286493880.

The previous prime is 2122220011069. The next prime is 2122220011129. The reversal of 2122220011111 is 1111100222212.

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 2122220011111 - 2¹⁹ = 2122219486823 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 (2122220011211) 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, 281145 + ... + 2079298.

It is an arithmetic number, because the mean of its divisors is an integer number (266144781888).

Almost surely, 2^{2122220011111} is an apocalyptic number.

2122220011111 is a deficient number, since it is larger than the sum of its proper divisors (6938243993).

2122220011111 is a wasteful number, since it uses less digits than its factorization.

2122220011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363381.

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

Adding to 2122220011111 its reverse (1111100222212), we get a palindrome (3233320233323).

The spelling of 2122220011111 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, eleven thousand, one hundred eleven".