22001002111012 has 96 divisors (see below), whose sum is σ = 41242274865792. Its totient is φ = 10254000024576.

The previous prime is 22001002110977. The next prime is 22001002111091. The reversal of 22001002111012 is 21011120010022.

It is a junction number, because it is equal to n+sod(n) for n = 22001002110983 and 22001002111001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99237678 + ... + 99459130.

It is an arithmetic number, because the mean of its divisors is an integer number (429607029852).

Almost surely, 2^{22001002111012} is an apocalyptic number.

It is an amenable number.

22001002111012 is a deficient number, since it is larger than the sum of its proper divisors (19241272754780).

22001002111012 is a wasteful number, since it uses less digits than its factorization.

22001002111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221837 (or 221835 counting only the distinct ones).

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

Adding to 22001002111012 its reverse (21011120010022), we get a palindrome (43012122121034).

The spelling of 22001002111012 in words is "twenty-two trillion, one billion, two million, one hundred eleven thousand, twelve".