1112220212123 has 2 divisors, whose sum is σ = 1112220212124. Its totient is φ = 1112220212122.

The previous prime is 1112220212099. The next prime is 1112220212153. The reversal of 1112220212123 is 3212120222111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112220212123 - 2⁴⁰ = 12708584347 is a prime.

It is a super-2 number, since 2×1112220212123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112220212095 and 1112220212104.

It is not a weakly prime, because it can be changed into another prime (1112220212153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556110106061 + 556110106062.

It is an arithmetic number, because the mean of its divisors is an integer number (556110106062).

Almost surely, 2^{1112220212123} is an apocalyptic number.

1112220212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112220212123 is an equidigital number, since it uses as much as digits as its factorization.

1112220212123 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 20.

Adding to 1112220212123 its reverse (3212120222111), we get a palindrome (4324340434234).

The spelling of 1112220212123 in words is "one trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-three".