211020110012 has 24 divisors (see below), whose sum is σ = 373975056000. Its totient is φ = 104171731376.

The previous prime is 211020110011. The next prime is 211020110023. The reversal of 211020110012 is 210011020112.

It is a junction number, because it is equal to n+sod(n) for n = 211020109975 and 211020110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020110011) 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, 313739 + ... + 721437.

It is an arithmetic number, because the mean of its divisors is an integer number (15582294000).

Almost surely, 2^211020110012 is an apocalyptic number.

It is an amenable number.

211020110012 is a deficient number, since it is larger than the sum of its proper divisors (162954945988).

211020110012 is a wasteful number, since it uses less digits than its factorization.

211020110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409345 (or 409343 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211020110012 its reverse (210011020112), we get a palindrome (421031130124).

The spelling of 211020110012 in words is "two hundred eleven billion, twenty million, one hundred ten thousand, twelve".