211011100122012 has 48 divisors (see below), whose sum is σ = 521322977643552. Its totient is φ = 66199378452480.

The previous prime is 211011100122001. The next prime is 211011100122023. The reversal of 211011100122012 is 210221001110112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211011100122001) and next prime (211011100122023).

It is a junction number, because it is equal to n+sod(n) for n = 211011100121982 and 211011100122000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85891212 + ... + 88313772.

It is an arithmetic number, because the mean of its divisors is an integer number (10860895367574).

Almost surely, 2^{211011100122012} is an apocalyptic number.

It is an amenable number.

211011100122012 is an abundant number, since it is smaller than the sum of its proper divisors (310311877521540).

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

211011100122012 is a wasteful number, since it uses less digits than its factorization.

211011100122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849558 (or 2849556 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211011100122012 its reverse (210221001110112), we get a palindrome (421232101232124).

The spelling of 211011100122012 in words is "two hundred eleven trillion, eleven billion, one hundred million, one hundred twenty-two thousand, twelve".