211102101121 has 4 divisors (see below), whose sum is σ = 211148778672. Its totient is φ = 211055423572.

The previous prime is 211102101097. The next prime is 211102101211. The reversal of 211102101121 is 121101201112.

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 211102101121 - 2²⁹ = 210565230209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102501121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23331991 + ... + 23341036.

It is an arithmetic number, because the mean of its divisors is an integer number (52787194668).

Almost surely, 2^211102101121 is an apocalyptic number.

It is an amenable number.

211102101121 is a deficient number, since it is larger than the sum of its proper divisors (46677551).

211102101121 is an equidigital number, since it uses as much as digits as its factorization.

211102101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46677550.

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

Adding to 211102101121 its reverse (121101201112), we get a palindrome (332203302233).

Subtracting from 211102101121 its reverse (121101201112), we obtain a palindrome (90000900009).

The spelling of 211102101121 in words is "two hundred eleven billion, one hundred two million, one hundred one thousand, one hundred twenty-one".