1012001112111 has 16 divisors (see below), whose sum is σ = 1558589948928. Its totient is φ = 577255536000.

The previous prime is 1012001112071. The next prime is 1012001112127. The reversal of 1012001112111 is 1112111002101.

It is not a de Polignac number, because 1012001112111 - 2⁹ = 1012001111599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012001112181) 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, 901961215 + ... + 901962336.

It is an arithmetic number, because the mean of its divisors is an integer number (97411871808).

Almost surely, 2^{1012001112111} is an apocalyptic number.

1012001112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012001112111 is a deficient number, since it is larger than the sum of its proper divisors (546588836817).

1012001112111 is a wasteful number, since it uses less digits than its factorization.

1012001112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803923582.

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

Adding to 1012001112111 its reverse (1112111002101), we get a palindrome (2124112114212).

The spelling of 1012001112111 in words is "one trillion, twelve billion, one million, one hundred twelve thousand, one hundred eleven".