2122222220111 has 8 divisors (see below), whose sum is σ = 2568067224480. Its totient is φ = 1712044816128.

The previous prime is 2122222220101. The next prime is 2122222220141. The reversal of 2122222220111 is 1110222222212.

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 2122222220111 - 2³⁴ = 2105042350927 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 (2122222220101) 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, 8916899966 + ... + 8916900203.

It is an arithmetic number, because the mean of its divisors is an integer number (321008403060).

Almost surely, 2^{2122222220111} is an apocalyptic number.

2122222220111 is a deficient number, since it is larger than the sum of its proper divisors (445845004369).

2122222220111 is a wasteful number, since it uses less digits than its factorization.

2122222220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17833800193.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122222220111 its reverse (1110222222212), we get a palindrome (3232444442323).

It can be divided in two parts, 21222222201 and 11, that added together give a palindrome (21222222212).

The spelling of 2122222220111 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred eleven".