211011120110 has 128 divisors (see below), whose sum is σ = 470383200000. Its totient is φ = 67889332224.

The previous prime is 211011120107. The next prime is 211011120143. The reversal of 211011120110 is 11021110112.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211011120091 and 211011120100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20345006 + ... + 20355374.

It is an arithmetic number, because the mean of its divisors is an integer number (3674868750).

Almost surely, 2^211011120110 is an apocalyptic number.

211011120110 is an abundant number, since it is smaller than the sum of its proper divisors (259372079890).

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

211011120110 is a wasteful number, since it uses less digits than its factorization.

211011120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763 (or 10749 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211011120110 its reverse (11021110112), we get a palindrome (222032230222).

The spelling of 211011120110 in words is "two hundred eleven billion, eleven million, one hundred twenty thousand, one hundred ten".