22000020111 has 6 divisors (see below), whose sum is σ = 31777806840. Its totient is φ = 14666680068.

The previous prime is 22000020109. The next prime is 22000020131. The reversal of 22000020111 is 11102000022.

It is not a de Polignac number, because 22000020111 - 2¹ = 22000020109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2444446679 = 22000020111 / (2 + 2 + 0 + 0 + 0 + 0 + 2 + 0 + 1 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 22000020093 and 22000020102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000020131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222223331 + ... + 1222223348.

It is an arithmetic number, because the mean of its divisors is an integer number (5296301140).

Almost surely, 2^22000020111 is an apocalyptic number.

22000020111 is a deficient number, since it is larger than the sum of its proper divisors (9777786729).

22000020111 is a wasteful number, since it uses less digits than its factorization.

22000020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444446685 (or 2444446682 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22000020111 its reverse (11102000022), we get a palindrome (33102020133).

The spelling of 22000020111 in words is "twenty-two billion, twenty thousand, one hundred eleven".