101212311101 has 12 divisors (see below), whose sum is σ = 111382605600. Its totient is φ = 91901432040.

The previous prime is 101212311089. The next prime is 101212311107. The reversal of 101212311101 is 101113212101.

It is not a de Polignac number, because 101212311101 - 2¹⁴ = 101212294717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212311107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 396971 + ... + 600008.

It is an arithmetic number, because the mean of its divisors is an integer number (9281883800).

Almost surely, 2^101212311101 is an apocalyptic number.

101212311101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101212311101 is a deficient number, since it is larger than the sum of its proper divisors (10170294499).

101212311101 is an equidigital number, since it uses as much as digits as its factorization.

101212311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997840 (or 997829 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 101212311101 its reverse (101113212101), we get a palindrome (202325523202).

The spelling of 101212311101 in words is "one hundred one billion, two hundred twelve million, three hundred eleven thousand, one hundred one".