10111212203 has 2 divisors, whose sum is σ = 10111212204. Its totient is φ = 10111212202.

The previous prime is 10111212187. The next prime is 10111212211. The reversal of 10111212203 is 30221211101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10111212203 - 2⁴ = 10111212187 is a prime.

It is a super-2 number, since 2×10111212203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10111212283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055606101 + 5055606102.

It is an arithmetic number, because the mean of its divisors is an integer number (5055606102).

Almost surely, 2^10111212203 is an apocalyptic number.

10111212203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111212203 is an equidigital number, since it uses as much as digits as its factorization.

10111212203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10111212203 its reverse (30221211101), we get a palindrome (40332423304).

The spelling of 10111212203 in words is "ten billion, one hundred eleven million, two hundred twelve thousand, two hundred three".