2211102011123 has 2 divisors, whose sum is σ = 2211102011124. Its totient is φ = 2211102011122.

The previous prime is 2211102011117. The next prime is 2211102011141. The reversal of 2211102011123 is 3211102011122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211102011123 - 2²² = 2211097816819 is a prime.

It is a super-2 number, since 2×2211102011123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2211102011113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105551005561 + 1105551005562.

It is an arithmetic number, because the mean of its divisors is an integer number (1105551005562).

Almost surely, 2^{2211102011123} is an apocalyptic number.

2211102011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211102011123 is an equidigital number, since it uses as much as digits as its factorization.

2211102011123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2211102011123 its reverse (3211102011122), we get a palindrome (5422204022245).

Subtracting 2211102011123 from its reverse (3211102011122), we obtain a palindrome (999999999999).

The spelling of 2211102011123 in words is "two trillion, two hundred eleven billion, one hundred two million, eleven thousand, one hundred twenty-three".