22201100020012 has 24 divisors (see below), whose sum is σ = 39012218030016. Its totient is φ = 11054819814528.

The previous prime is 22201100019979. The next prime is 22201100020063. The reversal of 22201100020012 is 21002000110222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22201100019974 and 22201100020001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7164868 + ... + 9784555.

It is an arithmetic number, because the mean of its divisors is an integer number (1625509084584).

Almost surely, 2^{22201100020012} is an apocalyptic number.

It is an amenable number.

22201100020012 is a deficient number, since it is larger than the sum of its proper divisors (16811118010004).

22201100020012 is a wasteful number, since it uses less digits than its factorization.

22201100020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16950777 (or 16950775 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22201100020012 its reverse (21002000110222), we get a palindrome (43203100130234).

The spelling of 22201100020012 in words is "twenty-two trillion, two hundred one billion, one hundred million, twenty thousand, twelve".