2221012211012 has 24 divisors (see below), whose sum is σ = 4444642091904. Its totient is φ = 951301446912.

The previous prime is 2221012210999. The next prime is 2221012211039. The reversal of 2221012211012 is 2101122101222.

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 7 ways as a sum of consecutive naturals, for example, 23323688 + ... + 23418719.

It is an arithmetic number, because the mean of its divisors is an integer number (185193420496).

Almost surely, 2^{2221012211012} is an apocalyptic number.

It is an amenable number.

2221012211012 is an abundant number, since it is smaller than the sum of its proper divisors (2223629880892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221012211012 is a wasteful number, since it uses less digits than its factorization.

2221012211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46744115 (or 46744113 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221012211012 its reverse (2101122101222), we get a palindrome (4322134312234).

The spelling of 2221012211012 in words is "two trillion, two hundred twenty-one billion, twelve million, two hundred eleven thousand, twelve".