2120222112111 has 28 divisors (see below), whose sum is σ = 3281423487040. Its totient is φ = 1367885219040.

The previous prime is 2120222112109. The next prime is 2120222112121. The reversal of 2120222112111 is 1112112220212.

It is not a de Polignac number, because 2120222112111 - 2¹ = 2120222112109 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 (2120222112121) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 46887046 + ... + 46932243.

Almost surely, 2^{2120222112111} is an apocalyptic number.

2120222112111 is a deficient number, since it is larger than the sum of its proper divisors (1161201374929).

2120222112111 is an frugal number, since it uses more digits than its factorization.

2120222112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93819338 (or 93819323 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2120222112111 its reverse (1112112220212), we get a palindrome (3232334332323).

The spelling of 2120222112111 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eleven".