2212111221122 has 32 divisors (see below), whose sum is σ = 3672778235904. Its totient is φ = 990892430800.

The previous prime is 2212111221121. The next prime is 2212111221167. The reversal of 2212111221122 is 2211221112122.

It is a super-2 number, since 2×2212111221122² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2212111221094 and 2212111221103.

It is not an unprimeable number, because it can be changed into a prime (2212111221121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2010398 + ... + 2909625.

It is an arithmetic number, because the mean of its divisors is an integer number (114774319872).

Almost surely, 2^{2212111221122} is an apocalyptic number.

2212111221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212111221122 is a deficient number, since it is larger than the sum of its proper divisors (1460667014782).

2212111221122 is a wasteful number, since it uses less digits than its factorization.

2212111221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920334.

The product of its digits is 128, while the sum is 20.

Adding to 2212111221122 its reverse (2211221112122), we get a palindrome (4423332333244).

The spelling of 2212111221122 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".