1012311033111 has 36 divisors (see below), whose sum is σ = 1701137963304. Its totient is φ = 578402244000.

The previous prime is 1012311033109. The next prime is 1012311033131. The reversal of 1012311033111 is 1113301132101.

1012311033111 is a `hidden beast` number, since 1 + 0 + 12 + 311 + 0 + 331 + 11 = 666.

1012311033111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012311033111 - 2¹ = 1012311033109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012311033131) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4227781 + ... + 4460801.

It is an arithmetic number, because the mean of its divisors is an integer number (47253832314).

Almost surely, 2^{1012311033111} is an apocalyptic number.

1012311033111 is a deficient number, since it is larger than the sum of its proper divisors (688826930193).

1012311033111 is a wasteful number, since it uses less digits than its factorization.

1012311033111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242892 (or 242882 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1012311033111 its reverse (1113301132101), we get a palindrome (2125612165212).

The spelling of 1012311033111 in words is "one trillion, twelve billion, three hundred eleven million, thirty-three thousand, one hundred eleven".