2112222002122 has 8 divisors (see below), whose sum is σ = 3354705532836. Its totient is φ = 993986824512.

The previous prime is 2112222002117. The next prime is 2112222002123. The reversal of 2112222002122 is 2212002222112.

It can be written as a sum of positive squares in 2 ways, for example, as 2104295483161 + 7926518961 = 1450619^2 + 89031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112222002122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112222002122.

It is not an unprimeable number, because it can be changed into a prime (2112222002123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31062088233 + ... + 31062088300.

Almost surely, 2^{2112222002122} is an apocalyptic number.

2112222002122 is a deficient number, since it is larger than the sum of its proper divisors (1242483530714).

2112222002122 is a wasteful number, since it uses less digits than its factorization.

2112222002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62124176552.

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

Adding to 2112222002122 its reverse (2212002222112), we get a palindrome (4324224224234).

The spelling of 2112222002122 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, two thousand, one hundred twenty-two".