22220221211012 has 96 divisors (see below), whose sum is σ = 43754580777600. Its totient is φ = 9788368665600.

The previous prime is 22220221210981. The next prime is 22220221211063. The reversal of 22220221211012 is 21011212202222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52155368 + ... + 52579680.

It is an arithmetic number, because the mean of its divisors is an integer number (455776883100).

Almost surely, 2^{22220221211012} is an apocalyptic number.

22220221211012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22220221211012 is a deficient number, since it is larger than the sum of its proper divisors (21534359566588).

22220221211012 is a wasteful number, since it uses less digits than its factorization.

22220221211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424677 (or 424675 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22220221211012 its reverse (21011212202222), we get a palindrome (43231433413234).

The spelling of 22220221211012 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, twelve".