101112211001 has 4 divisors (see below), whose sum is σ = 105508394112. Its totient is φ = 96716027892.

The previous prime is 101112210949. The next prime is 101112211021. The reversal of 101112211001 is 100112211101.

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 101112211001 - 2¹⁰ = 101112209977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101112211021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198091521 + ... + 2198091566.

It is an arithmetic number, because the mean of its divisors is an integer number (26377098528).

Almost surely, 2^101112211001 is an apocalyptic number.

It is an amenable number.

101112211001 is a deficient number, since it is larger than the sum of its proper divisors (4396183111).

101112211001 is an equidigital number, since it uses as much as digits as its factorization.

101112211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396183110.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101112211001 its reverse (100112211101), we get a palindrome (201224422102).

The spelling of 101112211001 in words is "one hundred one billion, one hundred twelve million, two hundred eleven thousand, one".