2123022220111 has 32 divisors (see below), whose sum is σ = 2327866294208. Its totient is φ = 1924537605120.

The previous prime is 2123022220093. The next prime is 2123022220117. The reversal of 2123022220111 is 1110222203212.

It is not a de Polignac number, because 2123022220111 - 2¹⁷ = 2123022089039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123022220117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60197995 + ... + 60233251.

It is an arithmetic number, because the mean of its divisors is an integer number (72745821694).

Almost surely, 2^{2123022220111} is an apocalyptic number.

2123022220111 is a deficient number, since it is larger than the sum of its proper divisors (204844074097).

2123022220111 is a wasteful number, since it uses less digits than its factorization.

2123022220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35771.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2123022220111 its reverse (1110222203212), we get a palindrome (3233244423323).

The spelling of 2123022220111 in words is "two trillion, one hundred twenty-three billion, twenty-two million, two hundred twenty thousand, one hundred eleven".