2201200111123 has 4 divisors (see below), whose sum is σ = 2370523196608. Its totient is φ = 2031877025640.

The previous prime is 2201200111079. The next prime is 2201200111141. The reversal of 2201200111123 is 3211110021022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201200111123 is a prime.

It is a super-2 number, since 2×2201200111123² (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 = 2201200111097 and 2201200111106.

It is not an unprimeable number, because it can be changed into a prime (2201200111183) 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, 84661542723 + ... + 84661542748.

It is an arithmetic number, because the mean of its divisors is an integer number (592630799152).

Almost surely, 2^{2201200111123} is an apocalyptic number.

2201200111123 is a deficient number, since it is larger than the sum of its proper divisors (169323085485).

2201200111123 is a wasteful number, since it uses less digits than its factorization.

2201200111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169323085484.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2201200111123 its reverse (3211110021022), we get a palindrome (5412310132145).

The spelling of 2201200111123 in words is "two trillion, two hundred one billion, two hundred million, one hundred eleven thousand, one hundred twenty-three".