2211022112123 has 8 divisors (see below), whose sum is σ = 2412566081856. Its totient is φ = 2009568469000.

The previous prime is 2211022112111. The next prime is 2211022112137. The reversal of 2211022112123 is 3212112201122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211022112123 - 2⁶ = 2211022112059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211022112095 and 2211022112104.

It is not an unprimeable number, because it can be changed into a prime (2211022142123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22530461 + ... + 22628382.

It is an arithmetic number, because the mean of its divisors is an integer number (301570760232).

Almost surely, 2^{2211022112123} is an apocalyptic number.

2211022112123 is a deficient number, since it is larger than the sum of its proper divisors (201543969733).

2211022112123 is a wasteful number, since it uses less digits than its factorization.

2211022112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45163305.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2211022112123 its reverse (3212112201122), we get a palindrome (5423134313245).

The spelling of 2211022112123 in words is "two trillion, two hundred eleven billion, twenty-two million, one hundred twelve thousand, one hundred twenty-three".