1012100201111 has 2 divisors, whose sum is σ = 1012100201112. Its totient is φ = 1012100201110.

The previous prime is 1012100201089. The next prime is 1012100201113. The reversal of 1012100201111 is 1111020012101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012100201111 - 2¹⁰ = 1012100200087 is a prime.

Together with 1012100201113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012100201092 and 1012100201101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012100201113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506050100555 + 506050100556.

It is an arithmetic number, because the mean of its divisors is an integer number (506050100556).

Almost surely, 2^{1012100201111} is an apocalyptic number.

1012100201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012100201111 is an equidigital number, since it uses as much as digits as its factorization.

1012100201111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1012100201111 its reverse (1111020012101), we get a palindrome (2123120213212).

The spelling of 1012100201111 in words is "one trillion, twelve billion, one hundred million, two hundred one thousand, one hundred eleven".