2122020100111 has 4 divisors (see below), whose sum is σ = 2122033684672. Its totient is φ = 2122006515552.

The previous prime is 2122020100103. The next prime is 2122020100127. The reversal of 2122020100111 is 1110010202212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122020100111 - 2³ = 2122020100103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122020100091 and 2122020100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020100181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6555210 + ... + 6871303.

It is an arithmetic number, because the mean of its divisors is an integer number (530508421168).

Almost surely, 2^{2122020100111} is an apocalyptic number.

2122020100111 is a deficient number, since it is larger than the sum of its proper divisors (13584561).

2122020100111 is a wasteful number, since it uses less digits than its factorization.

2122020100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13584560.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2122020100111 its reverse (1110010202212), we get a palindrome (3232030302323).

The spelling of 2122020100111 in words is "two trillion, one hundred twenty-two billion, twenty million, one hundred thousand, one hundred eleven".