2011100121203 has 2 divisors, whose sum is σ = 2011100121204. Its totient is φ = 2011100121202.

The previous prime is 2011100121119. The next prime is 2011100121211. The reversal of 2011100121203 is 3021210011102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011100121203 - 2⁸ = 2011100120947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011100121293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005550060601 + 1005550060602.

It is an arithmetic number, because the mean of its divisors is an integer number (1005550060602).

Almost surely, 2^{2011100121203} is an apocalyptic number.

2011100121203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011100121203 is an equidigital number, since it uses as much as digits as its factorization.

2011100121203 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 2011100121203 its reverse (3021210011102), we get a palindrome (5032310132305).

The spelling of 2011100121203 in words is "two trillion, eleven billion, one hundred million, one hundred twenty-one thousand, two hundred three".