22001211111112 has 64 divisors (see below), whose sum is σ = 41860249200000. Its totient is φ = 10839218717184.

The previous prime is 22001211111107. The next prime is 22001211111119. The reversal of 22001211111112 is 21111111210022.

It is not an unprimeable number, because it can be changed into a prime (22001211111119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410834514 + ... + 410888062.

It is an arithmetic number, because the mean of its divisors is an integer number (654066393750).

Almost surely, 2^{22001211111112} is an apocalyptic number.

It is an amenable number.

22001211111112 is a deficient number, since it is larger than the sum of its proper divisors (19859038088888).

22001211111112 is a wasteful number, since it uses less digits than its factorization.

22001211111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55270 (or 55266 counting only the distinct ones).

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

Adding to 22001211111112 its reverse (21111111210022), we get a palindrome (43112322321134).

The spelling of 22001211111112 in words is "twenty-two trillion, one billion, two hundred eleven million, one hundred eleven thousand, one hundred twelve".