101201211211 has 4 divisors (see below), whose sum is σ = 102129662800. Its totient is φ = 100272759624.

The previous prime is 101201211197. The next prime is 101201211313. The reversal of 101201211211 is 112112102101.

It is a happy number.

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 101201211211 - 2⁹ = 101201210699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201211191 and 101201211200.

It is not an unprimeable number, because it can be changed into a prime (101201211511) 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, 464225631 + ... + 464225848.

It is an arithmetic number, because the mean of its divisors is an integer number (25532415700).

Almost surely, 2^101201211211 is an apocalyptic number.

101201211211 is a deficient number, since it is larger than the sum of its proper divisors (928451589).

101201211211 is an equidigital number, since it uses as much as digits as its factorization.

101201211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928451588.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101201211211 its reverse (112112102101), we get a palindrome (213313313312).

The spelling of 101201211211 in words is "one hundred one billion, two hundred one million, two hundred eleven thousand, two hundred eleven".