2120223122111 has 8 divisors (see below), whose sum is σ = 2246519767104. Its totient is φ = 1994101770240.

The previous prime is 2120223122057. The next prime is 2120223122123. The reversal of 2120223122111 is 1112213220212.

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 2120223122111 - 2³⁸ = 1845345215167 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 (2120223122191) 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, 43798370 + ... + 43846751.

It is an arithmetic number, because the mean of its divisors is an integer number (280814970888).

Almost surely, 2^{2120223122111} is an apocalyptic number.

2120223122111 is a deficient number, since it is larger than the sum of its proper divisors (126296644993).

2120223122111 is a wasteful number, since it uses less digits than its factorization.

2120223122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87646561.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2120223122111 its reverse (1112213220212), we get a palindrome (3232436342323).

The spelling of 2120223122111 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, one hundred twenty-two thousand, one hundred eleven".