2122120200111 has 64 divisors (see below), whose sum is σ = 3114979338240. Its totient is φ = 1280947599360.

The previous prime is 2122120200107. The next prime is 2122120200127. The reversal of 2122120200111 is 1110020212212.

It is not a de Polignac number, because 2122120200111 - 2² = 2122120200107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122120200911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37549371 + ... + 37605843.

It is an arithmetic number, because the mean of its divisors is an integer number (48671552160).

Almost surely, 2^{2122120200111} is an apocalyptic number.

2122120200111 is a deficient number, since it is larger than the sum of its proper divisors (992859138129).

2122120200111 is a wasteful number, since it uses less digits than its factorization.

2122120200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56936.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2122120200111 its reverse (1110020212212), we get a palindrome (3232140412323).

The spelling of 2122120200111 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred thousand, one hundred eleven".