11222120002123 has 2 divisors, whose sum is σ = 11222120002124. Its totient is φ = 11222120002122.

The previous prime is 11222120002109. The next prime is 11222120002139. The reversal of 11222120002123 is 32120002122211.

It is a weak prime.

It is an emirp because it is prime and its reverse (32120002122211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222120002123 - 2⁹ = 11222120001611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11222120002123.

It is not a weakly prime, because it can be changed into another prime (11222120000123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611060001061 + 5611060001062.

It is an arithmetic number, because the mean of its divisors is an integer number (5611060001062).

Almost surely, 2^{11222120002123} is an apocalyptic number.

11222120002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222120002123 is an equidigital number, since it uses as much as digits as its factorization.

11222120002123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11222120002123 its reverse (32120002122211), we get a palindrome (43342122124334).

The spelling of 11222120002123 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, two thousand, one hundred twenty-three".