20022110101111 has 4 divisors (see below), whose sum is σ = 20022246191512. Its totient is φ = 20021974010712.

The previous prime is 20022110101099. The next prime is 20022110101129. The reversal of 20022110101111 is 11110101122002.

It is a happy number.

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 20022110101111 - 2⁷ = 20022110100983 is a prime.

It is a super-2 number, since 2×20022110101111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022110101091 and 20022110101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022110101811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67824276 + ... + 68118841.

It is an arithmetic number, because the mean of its divisors is an integer number (5005561547878).

Almost surely, 2^{20022110101111} is an apocalyptic number.

20022110101111 is a deficient number, since it is larger than the sum of its proper divisors (136090401).

20022110101111 is a wasteful number, since it uses less digits than its factorization.

20022110101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136090400.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20022110101111 its reverse (11110101122002), we get a palindrome (31132211223113).

The spelling of 20022110101111 in words is "twenty trillion, twenty-two billion, one hundred ten million, one hundred one thousand, one hundred eleven".