1012111200111 has 8 divisors (see below), whose sum is σ = 1472161745664. Its totient is φ = 613400727320.

The previous prime is 1012111200077. The next prime is 1012111200143. The reversal of 1012111200111 is 1110021112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012111200111 - 2⁶ = 1012111200047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012111200151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15335018151 + ... + 15335018216.

It is an arithmetic number, because the mean of its divisors is an integer number (184020218208).

Almost surely, 2^{1012111200111} is an apocalyptic number.

1012111200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012111200111 is a deficient number, since it is larger than the sum of its proper divisors (460050545553).

1012111200111 is a wasteful number, since it uses less digits than its factorization.

1012111200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30670036381.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1012111200111 its reverse (1110021112101), we get a palindrome (2122132312212).

The spelling of 1012111200111 in words is "one trillion, twelve billion, one hundred eleven million, two hundred thousand, one hundred eleven".