1011210112111 has 8 divisors (see below), whose sum is σ = 1036301392224. Its totient is φ = 986139194880.

The previous prime is 1011210112109. The next prime is 1011210112139. The reversal of 1011210112111 is 1112110121101.

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 1011210112111 - 2¹ = 1011210112109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011210112091 and 1011210112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210112181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990146 + ... + 5188831.

It is an arithmetic number, because the mean of its divisors is an integer number (129537674028).

Almost surely, 2^{1011210112111} is an apocalyptic number.

1011210112111 is a deficient number, since it is larger than the sum of its proper divisors (25091280113).

1011210112111 is a wasteful number, since it uses less digits than its factorization.

1011210112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181441.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1011210112111 its reverse (1112110121101), we get a palindrome (2123320233212).

The spelling of 1011210112111 in words is "one trillion, eleven billion, two hundred ten million, one hundred twelve thousand, one hundred eleven".