1100210123 has 2 divisors, whose sum is σ = 1100210124. Its totient is φ = 1100210122.

The previous prime is 1100210101. The next prime is 1100210161. The reversal of 1100210123 is 3210120011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100210123 - 2¹⁴ = 1100193739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100210723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550105061 + 550105062.

It is an arithmetic number, because the mean of its divisors is an integer number (550105062).

Almost surely, 2^1100210123 is an apocalyptic number.

1100210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100210123 is an equidigital number, since it uses as much as digits as its factorization.

1100210123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1100210123 is about 33169.4154757059. The cubic root of 1100210123 is about 1032.3458403003.

Adding to 1100210123 its reverse (3210120011), we get a palindrome (4310330134).

The spelling of 1100210123 in words is "one billion, one hundred million, two hundred ten thousand, one hundred twenty-three".