100211222111123 has 2 divisors, whose sum is σ = 100211222111124. Its totient is φ = 100211222111122.

The previous prime is 100211222111027. The next prime is 100211222111129. The reversal of 100211222111123 is 321111222112001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100211222111123 - 2¹² = 100211222107027 is a prime.

It is a super-2 number, since 2×100211222111123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100211222111095 and 100211222111104.

It is not a weakly prime, because it can be changed into another prime (100211222111129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105611055561 + 50105611055562.

It is an arithmetic number, because the mean of its divisors is an integer number (50105611055562).

Almost surely, 2^{100211222111123} is an apocalyptic number.

100211222111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211222111123 is an equidigital number, since it uses as much as digits as its factorization.

100211222111123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 100211222111123 its reverse (321111222112001), we get a palindrome (421322444223124).

The spelling of 100211222111123 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-three".