2201112221123 has 4 divisors (see below), whose sum is σ = 2202140299968. Its totient is φ = 2200084142280.

The previous prime is 2201112221117. The next prime is 2201112221129. The reversal of 2201112221123 is 3211222111022.

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

It is an interprime number because it is at equal distance from previous prime (2201112221117) and next prime (2201112221129).

It is a cyclic number.

It is not a de Polignac number, because 2201112221123 - 2³⁰ = 2200038479299 is a prime.

It is a super-2 number, since 2×2201112221123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201112221095 and 2201112221104.

It is not an unprimeable number, because it can be changed into a prime (2201112221129) 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, 514036211 + ... + 514040492.

It is an arithmetic number, because the mean of its divisors is an integer number (550535074992).

Almost surely, 2^{2201112221123} is an apocalyptic number.

2201112221123 is a deficient number, since it is larger than the sum of its proper divisors (1028078845).

2201112221123 is a wasteful number, since it uses less digits than its factorization.

2201112221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028078844.

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

Adding to 2201112221123 its reverse (3211222111022), we get a palindrome (5412334332145).

The spelling of 2201112221123 in words is "two trillion, two hundred one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twenty-three".