211102121101121 has 8 divisors (see below), whose sum is σ = 212739794682624. Its totient is φ = 209464844595760.

The previous prime is 211102121101051. The next prime is 211102121101189. The reversal of 211102121101121 is 121101121201112.

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 211102121101121 - 2¹⁰ = 211102121100097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211102121101121.

It is not an unprimeable number, because it can be changed into a prime (211102121103121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98201585 + ... + 100328238.

It is an arithmetic number, because the mean of its divisors is an integer number (26592474335328).

Almost surely, 2^{211102121101121} is an apocalyptic number.

It is an amenable number.

211102121101121 is a deficient number, since it is larger than the sum of its proper divisors (1637673581503).

211102121101121 is a wasteful number, since it uses less digits than its factorization.

211102121101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198538071.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 211102121101121 its reverse (121101121201112), we get a palindrome (332203242302233).

Subtracting from 211102121101121 its reverse (121101121201112), we obtain a palindrome (90000999900009).

The spelling of 211102121101121 in words is "two hundred eleven trillion, one hundred two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-one".