101212102011 has 4 divisors (see below), whose sum is σ = 134949469352. Its totient is φ = 67474734672.

The previous prime is 101212101941. The next prime is 101212102049. The reversal of 101212102011 is 110201212101.

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

It is not a de Polignac number, because 101212102011 - 2¹⁰ = 101212100987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101212102811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16868683666 + ... + 16868683671.

It is an arithmetic number, because the mean of its divisors is an integer number (33737367338).

Almost surely, 2^101212102011 is an apocalyptic number.

101212102011 is a deficient number, since it is larger than the sum of its proper divisors (33737367341).

101212102011 is an equidigital number, since it uses as much as digits as its factorization.

101212102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33737367340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101212102011 its reverse (110201212101), we get a palindrome (211413314112).

The spelling of 101212102011 in words is "one hundred one billion, two hundred twelve million, one hundred two thousand, eleven".