1012331200111 has 16 divisors (see below), whose sum is σ = 1263178222848. Its totient is φ = 788172624000.

The previous prime is 1012331200109. The next prime is 1012331200117. The reversal of 1012331200111 is 1110021332101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012331200111 - 2¹ = 1012331200109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012331200117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5380945 + ... + 5565898.

It is an arithmetic number, because the mean of its divisors is an integer number (78948638928).

Almost surely, 2^{1012331200111} is an apocalyptic number.

1012331200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012331200111 is a deficient number, since it is larger than the sum of its proper divisors (250847022737).

1012331200111 is a wasteful number, since it uses less digits than its factorization.

1012331200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10948062.

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

Adding to 1012331200111 its reverse (1110021332101), we get a palindrome (2122352532212).

The spelling of 1012331200111 in words is "one trillion, twelve billion, three hundred thirty-one million, two hundred thousand, one hundred eleven".