1001212010111 has 2 divisors, whose sum is σ = 1001212010112. Its totient is φ = 1001212010110.

The previous prime is 1001212010089. The next prime is 1001212010131. The reversal of 1001212010111 is 1110102121001.

It is a strong prime.

It is an emirp because it is prime and its reverse (1110102121001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001212010111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001212010092 and 1001212010101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001212010131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500606005055 + 500606005056.

It is an arithmetic number, because the mean of its divisors is an integer number (500606005056).

Almost surely, 2^{1001212010111} is an apocalyptic number.

1001212010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001212010111 is an equidigital number, since it uses as much as digits as its factorization.

1001212010111 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 1001212010111 its reverse (1110102121001), we get a palindrome (2111314131112).

The spelling of 1001212010111 in words is "one trillion, one billion, two hundred twelve million, ten thousand, one hundred eleven".