2011021011112 has 32 divisors (see below), whose sum is σ = 3791774586600. Its totient is φ = 999892353024.

The previous prime is 2011021011079. The next prime is 2011021011133. The reversal of 2011021011112 is 2111101201102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 607236796516 + 1403784214596 = 779254^2 + 1184814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2011021011092 and 2011021011101.

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, 731938 + ... + 2134894.

Almost surely, 2^{2011021011112} is an apocalyptic number.

It is an amenable number.

2011021011112 is a deficient number, since it is larger than the sum of its proper divisors (1780753575488).

2011021011112 is a wasteful number, since it uses less digits than its factorization.

2011021011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403965 (or 1403961 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2011021011112 its reverse (2111101201102), we get a palindrome (4122122212214).

The spelling of 2011021011112 in words is "two trillion, eleven billion, twenty-one million, eleven thousand, one hundred twelve".