211011322312 has 32 divisors (see below), whose sum is σ = 460698580800. Its totient is φ = 88727131584.

The previous prime is 211011322283. The next prime is 211011322351. The reversal of 211011322312 is 213223110112.

It is a self number, because there is not a number n which added to its sum of digits gives 211011322312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35544762 + ... + 35550697.

It is an arithmetic number, because the mean of its divisors is an integer number (14396830650).

Almost surely, 2^211011322312 is an apocalyptic number.

It is an amenable number.

211011322312 is an abundant number, since it is smaller than the sum of its proper divisors (249687258488).

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

211011322312 is a wasteful number, since it uses less digits than its factorization.

211011322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71095525 (or 71095521 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211011322312 its reverse (213223110112), we get a palindrome (424234432424).

The spelling of 211011322312 in words is "two hundred eleven billion, eleven million, three hundred twenty-two thousand, three hundred twelve".