2212111121012 has 48 divisors (see below), whose sum is σ = 4313025346560. Its totient is φ = 985702338432.

The previous prime is 2212111121009. The next prime is 2212111121027. The reversal of 2212111121012 is 2101211112122.

It is a super-2 number, since 2×2212111121012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 27657503 + ... + 27737369.

It is an arithmetic number, because the mean of its divisors is an integer number (89854694720).

Almost surely, 2^{2212111121012} is an apocalyptic number.

It is an amenable number.

2212111121012 is a deficient number, since it is larger than the sum of its proper divisors (2100914225548).

2212111121012 is a wasteful number, since it uses less digits than its factorization.

2212111121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98280 (or 98278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2212111121012 its reverse (2101211112122), we get a palindrome (4313322233134).

The spelling of 2212111121012 in words is "two trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, twelve".