2201111220123 has 12 divisors (see below), whose sum is σ = 3179737396888. Its totient is φ = 1467243853920.

The previous prime is 2201111220109. The next prime is 2201111220179. The reversal of 2201111220123 is 3210221111022.

It is not a de Polignac number, because 2201111220123 - 2⁶ = 2201111220059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201111220096 and 2201111220105.

It is not an unprimeable number, because it can be changed into a prime (2201111220323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13550290 + ... + 13711767.

Almost surely, 2^{2201111220123} is an apocalyptic number.

2201111220123 is a deficient number, since it is larger than the sum of its proper divisors (978626176765).

2201111220123 is a wasteful number, since it uses less digits than its factorization.

2201111220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271034 (or 27271031 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2201111220123 its reverse (3210221111022), we get a palindrome (5411332331145).

The spelling of 2201111220123 in words is "two trillion, two hundred one billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty-three".