211102111121 has 8 divisors (see below), whose sum is σ = 230320404288. Its totient is φ = 191888350000.

The previous prime is 211102111109. The next prime is 211102111127. The reversal of 211102111121 is 121111201112.

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

It is a cyclic number.

It is not a de Polignac number, because 211102111121 - 2³⁴ = 193922241937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211102111096 and 211102111105.

It is not an unprimeable number, because it can be changed into a prime (211102111127) 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 7 ways as a sum of consecutive naturals, for example, 1035245 + ... + 1222266.

It is an arithmetic number, because the mean of its divisors is an integer number (28790050536).

Almost surely, 2^211102111121 is an apocalyptic number.

It is an amenable number.

211102111121 is a deficient number, since it is larger than the sum of its proper divisors (19218293167).

211102111121 is a wasteful number, since it uses less digits than its factorization.

211102111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266023.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211102111121 its reverse (121111201112), we get a palindrome (332213312233).

It can be divided in two parts, 211102 and 111121, that added together give a palindrome (322223).

The spelling of 211102111121 in words is "two hundred eleven billion, one hundred two million, one hundred eleven thousand, one hundred twenty-one".