211102122012 has 48 divisors (see below), whose sum is σ = 501109486080. Its totient is φ = 69148579968.

The previous prime is 211102121969. The next prime is 211102122031. The reversal of 211102122012 is 210221201112.

It is a junction number, because it is equal to n+sod(n) for n = 211102121982 and 211102122000.

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, 1865853 + ... + 1975755.

It is an arithmetic number, because the mean of its divisors is an integer number (10439780960).

Almost surely, 2^211102122012 is an apocalyptic number.

It is an amenable number.

211102122012 is an abundant number, since it is smaller than the sum of its proper divisors (290007364068).

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

211102122012 is a wasteful number, since it uses less digits than its factorization.

211102122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112682 (or 112680 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211102122012 its reverse (210221201112), we get a palindrome (421323323124).

The spelling of 211102122012 in words is "two hundred eleven billion, one hundred two million, one hundred twenty-two thousand, twelve".