2221022102012 has 24 divisors (see below), whose sum is σ = 4453764658560. Its totient is φ = 949355089200.

The previous prime is 2221022101999. The next prime is 2221022102053. The reversal of 2221022102012 is 2102012201222.

It is a happy number.

It is a congruent number.

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, 104636114 + ... + 104657337.

It is an arithmetic number, because the mean of its divisors is an integer number (185573527440).

Almost surely, 2^{2221022102012} is an apocalyptic number.

It is an amenable number.

2221022102012 is an abundant number, since it is smaller than the sum of its proper divisors (2232742556548).

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

2221022102012 is a wasteful number, since it uses less digits than its factorization.

2221022102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209293841 (or 209293839 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221022102012 its reverse (2102012201222), we get a palindrome (4323034303234).

The spelling of 2221022102012 in words is "two trillion, two hundred twenty-one billion, twenty-two million, one hundred two thousand, twelve".