211210110011121 has 8 divisors (see below), whose sum is σ = 303276055400640. Its totient is φ = 129975452314512.

The previous prime is 211210110011113. The next prime is 211210110011149. The reversal of 211210110011121 is 121110011012112.

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

It is not a de Polignac number, because 211210110011121 - 2³ = 211210110011113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211210110011121.

It is not an unprimeable number, because it can be changed into a prime (211210110011191) 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, 2707821923181 + ... + 2707821923258.

It is an arithmetic number, because the mean of its divisors is an integer number (37909506925080).

Almost surely, 2^{211210110011121} is an apocalyptic number.

It is an amenable number.

211210110011121 is a deficient number, since it is larger than the sum of its proper divisors (92065945389519).

211210110011121 is a wasteful number, since it uses less digits than its factorization.

211210110011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415643846455.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211210110011121 its reverse (121110011012112), we get a palindrome (332320121023233).

The spelling of 211210110011121 in words is "two hundred eleven trillion, two hundred ten billion, one hundred ten million, eleven thousand, one hundred twenty-one".