2011021101112 has 64 divisors (see below), whose sum is σ = 4062019104000. Its totient is φ = 930299779584.

The previous prime is 2011021101091. The next prime is 2011021101121. The reversal of 2011021101112 is 2111011201102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2011021101092 and 2011021101101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55034464 + ... + 55070992.

It is an arithmetic number, because the mean of its divisors is an integer number (63469048500).

Almost surely, 2^{2011021101112} is an apocalyptic number.

It is an amenable number.

2011021101112 is an abundant number, since it is smaller than the sum of its proper divisors (2050998002888).

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

2011021101112 is a wasteful number, since it uses less digits than its factorization.

2011021101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45020 (or 45016 counting only the distinct ones).

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

Adding to 2011021101112 its reverse (2111011201102), we get a palindrome (4122032302214).

The spelling of 2011021101112 in words is "two trillion, eleven billion, twenty-one million, one hundred one thousand, one hundred twelve".