22001011112 has 16 divisors (see below), whose sum is σ = 41362496340. Its totient is φ = 10971012096.

The previous prime is 22001011099. The next prime is 22001011117. The reversal of 22001011112 is 21111010022.

It can be written as a sum of positive squares in 2 ways, for example, as 21148721476 + 852289636 = 145426^2 + 29194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22001011093 and 22001011102.

It is not an unprimeable number, because it can be changed into a prime (22001011117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683513 + ... + 3689480.

Almost surely, 2^22001011112 is an apocalyptic number.

It is an amenable number.

22001011112 is a deficient number, since it is larger than the sum of its proper divisors (19361485228).

22001011112 is a wasteful number, since it uses less digits than its factorization.

22001011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373372 (or 7373368 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22001011112 its reverse (21111010022), we get a palindrome (43112021134).

The spelling of 22001011112 in words is "twenty-two billion, one million, eleven thousand, one hundred twelve".