2111011121112 has 32 divisors (see below), whose sum is σ = 5277589041600. Its totient is φ = 703662208544.

The previous prime is 2111011121081. The next prime is 2111011121161. The reversal of 2111011121112 is 2111211101112.

It is a junction number, because it is equal to n+sod(n) for n = 2111011121091 and 2111011121100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1817839 + ... + 2743457.

It is an arithmetic number, because the mean of its divisors is an integer number (164924657550).

Almost surely, 2^{2111011121112} is an apocalyptic number.

It is an amenable number.

2111011121112 is an abundant number, since it is smaller than the sum of its proper divisors (3166577920488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111011121112 is a wasteful number, since it uses less digits than its factorization.

2111011121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020655 (or 1020651 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 2111011121112 its reverse (2111211101112), we get a palindrome (4222222222224).

The spelling of 2111011121112 in words is "two trillion, one hundred eleven billion, eleven million, one hundred twenty-one thousand, one hundred twelve".