101011111211210 has 8 divisors (see below), whose sum is σ = 181820000180196. Its totient is φ = 40404444484480.

The previous prime is 101011111211203. The next prime is 101011111211279. The reversal of 101011111211210 is 12112111110101.

It can be written as a sum of positive squares in 2 ways, for example, as 91555369360849 + 9455741850361 = 9568457^2 + 3075019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050555560551 + ... + 5050555560570.

Almost surely, 2^{101011111211210} is an apocalyptic number.

101011111211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101011111211210 is a deficient number, since it is larger than the sum of its proper divisors (80808888968986).

101011111211210 is a wasteful number, since it uses less digits than its factorization.

101011111211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101111121128.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 101011111211210 its reverse (12112111110101), we get a palindrome (113123222321311).

The spelling of 101011111211210 in words is "one hundred one trillion, eleven billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".