211130311012 has 6 divisors (see below), whose sum is σ = 369478044278. Its totient is φ = 105565155504.

The previous prime is 211130311009. The next prime is 211130311031. The reversal of 211130311012 is 210113031112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 204689285476 + 6441025536 = 452426^2 + 80256^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391288873 + ... + 26391288880.

Almost surely, 2^211130311012 is an apocalyptic number.

It is an amenable number.

211130311012 is a deficient number, since it is larger than the sum of its proper divisors (158347733266).

211130311012 is a wasteful number, since it uses less digits than its factorization.

211130311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52782577757 (or 52782577755 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211130311012 its reverse (210113031112), we get a palindrome (421243342124).

The spelling of 211130311012 in words is "two hundred eleven billion, one hundred thirty million, three hundred eleven thousand, twelve".