2211222202012 has 48 divisors (see below), whose sum is σ = 4232181768192. Its totient is φ = 1006354103040.

The previous prime is 2211222202001. The next prime is 2211222202037. The reversal of 2211222202012 is 2102022221122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2912733 + ... + 3592555.

It is an arithmetic number, because the mean of its divisors is an integer number (88170453504).

Almost surely, 2^{2211222202012} is an apocalyptic number.

It is an amenable number.

2211222202012 is a deficient number, since it is larger than the sum of its proper divisors (2020959566180).

2211222202012 is a wasteful number, since it uses less digits than its factorization.

2211222202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681418 (or 681416 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2211222202012 its reverse (2102022221122), we get a palindrome (4313244423134).

The spelling of 2211222202012 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, twelve".