101211113 has 4 divisors (see below), whose sum is σ = 102430608. Its totient is φ = 99991620.

The previous prime is 101211059. The next prime is 101211151. The reversal of 101211113 is 311112101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101211113 - 2²⁰ = 100162537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101211094 and 101211103.

It is not an unprimeable number, because it can be changed into a prime (101211413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609623 + ... + 609788.

It is an arithmetic number, because the mean of its divisors is an integer number (25607652).

Almost surely, 2^101211113 is an apocalyptic number.

It is an amenable number.

101211113 is a deficient number, since it is larger than the sum of its proper divisors (1219495).

101211113 is an equidigital number, since it uses as much as digits as its factorization.

101211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219494.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 101211113 is about 10060.3734026128. The cubic root of 101211113 is about 466.0251986472.

Adding to 101211113 its reverse (311112101), we get a palindrome (412323214).

The spelling of 101211113 in words is "one hundred one million, two hundred eleven thousand, one hundred thirteen".