2113122221123 has 8 divisors (see below), whose sum is σ = 2186906672880. Its totient is φ = 2039398980640.

The previous prime is 2113122221099. The next prime is 2113122221131. The reversal of 2113122221123 is 3211222213112.

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 2113122221123 - 2⁶ = 2113122221059 is a prime.

It is a super-2 number, since 2×2113122221123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113122221183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15232565 + ... + 15370662.

It is an arithmetic number, because the mean of its divisors is an integer number (273363334110).

Almost surely, 2^{2113122221123} is an apocalyptic number.

2113122221123 is a deficient number, since it is larger than the sum of its proper divisors (73784451757).

2113122221123 is a wasteful number, since it uses less digits than its factorization.

2113122221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30605637.

The product of its digits is 576, while the sum is 23.

Adding to 2113122221123 its reverse (3211222213112), we get a palindrome (5324344434235).

The spelling of 2113122221123 in words is "two trillion, one hundred thirteen billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-three".