2112222100003 has 4 divisors (see below), whose sum is σ = 2112241153680. Its totient is φ = 2112203046328.

The previous prime is 2112222099947. The next prime is 2112222100031. The reversal of 2112222100003 is 3000012222112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112222100003 - 2²⁹ = 2111685229091 is a prime.

It is a super-2 number, since 2×2112222100003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112222100003.

It is not an unprimeable number, because it can be changed into a prime (2112222100103) 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, 9359575 + ... + 9582592.

It is an arithmetic number, because the mean of its divisors is an integer number (528060288420).

Almost surely, 2^{2112222100003} is an apocalyptic number.

2112222100003 is a deficient number, since it is larger than the sum of its proper divisors (19053677).

2112222100003 is a wasteful number, since it uses less digits than its factorization.

2112222100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19053676.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2112222100003 its reverse (3000012222112), we get a palindrome (5112234322115).

The spelling of 2112222100003 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred thousand, three".