2201011123 has 2 divisors, whose sum is σ = 2201011124. Its totient is φ = 2201011122.

The previous prime is 2201011121. The next prime is 2201011157. The reversal of 2201011123 is 3211101022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201011123 - 2¹ = 2201011121 is a prime.

It is a super-2 number, since 2×2201011123² = 9688899927139442258, which contains 22 as substring.

Together with 2201011121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2201011121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100505561 + 1100505562.

It is an arithmetic number, because the mean of its divisors is an integer number (1100505562).

Almost surely, 2^2201011123 is an apocalyptic number.

2201011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201011123 is an equidigital number, since it uses as much as digits as its factorization.

2201011123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2201011123 is about 46914.9349674493. The cubic root of 2201011123 is about 1300.7906675346.

Adding to 2201011123 its reverse (3211101022), we get a palindrome (5412112145).

It can be divided in two parts, 22010 and 11123, that added together give a palindrome (33133).

The spelling of 2201011123 in words is "two billion, two hundred one million, eleven thousand, one hundred twenty-three".