211201121110 has 32 divisors (see below), whose sum is σ = 438315769152. Its totient is φ = 71770997760.

The previous prime is 211201121099. The next prime is 211201121119. The reversal of 211201121110 is 11121102112.

It is a happy number.

211201121110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201121119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13342351 + ... + 13358170.

It is an arithmetic number, because the mean of its divisors is an integer number (13697367786).

Almost surely, 2^211201121110 is an apocalyptic number.

211201121110 is an abundant number, since it is smaller than the sum of its proper divisors (227114648042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211201121110 is a wasteful number, since it uses less digits than its factorization.

211201121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26700648.

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

Adding to 211201121110 its reverse (11121102112), we get a palindrome (222322223222).

The spelling of 211201121110 in words is "two hundred eleven billion, two hundred one million, one hundred twenty-one thousand, one hundred ten".