101212010011 has 4 divisors (see below), whose sum is σ = 115670868592. Its totient is φ = 86753151432.

The previous prime is 101212009823. The next prime is 101212010017. The reversal of 101212010011 is 110010212101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101212010011 - 2¹⁹ = 101211485723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101212010011.

It is not an unprimeable number, because it can be changed into a prime (101212010017) 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 in 3 ways as a sum of consecutive naturals, for example, 7229429280 + ... + 7229429293.

It is an arithmetic number, because the mean of its divisors is an integer number (28917717148).

Almost surely, 2^101212010011 is an apocalyptic number.

101212010011 is a deficient number, since it is larger than the sum of its proper divisors (14458858581).

101212010011 is an equidigital number, since it uses as much as digits as its factorization.

101212010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14458858580.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101212010011 its reverse (110010212101), we get a palindrome (211222222112).

The spelling of 101212010011 in words is "one hundred one billion, two hundred twelve million, ten thousand, eleven".