1011102112111 has 8 divisors (see below), whose sum is σ = 1244433368864. Its totient is φ = 799992879840.

The previous prime is 1011102112063. The next prime is 1011102112157. The reversal of 1011102112111 is 1112112011101.

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

It is not a de Polignac number, because 1011102112111 - 2¹¹ = 1011102110063 is a prime.

It is a super-2 number, since 2×1011102112111² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1011102112091 and 1011102112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011102112411) 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, 5555506020 + ... + 5555506201.

It is an arithmetic number, because the mean of its divisors is an integer number (155554171108).

Almost surely, 2^{1011102112111} is an apocalyptic number.

1011102112111 is a deficient number, since it is larger than the sum of its proper divisors (233331256753).

1011102112111 is a wasteful number, since it uses less digits than its factorization.

1011102112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111012241.

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

Adding to 1011102112111 its reverse (1112112011101), we get a palindrome (2123214123212).

The spelling of 1011102112111 in words is "one trillion, eleven billion, one hundred two million, one hundred twelve thousand, one hundred eleven".