2011101012 has 72 divisors (see below), whose sum is σ = 5151226080. Its totient is φ = 661504320.

The previous prime is 2011100989. The next prime is 2011101031. The reversal of 2011101012 is 2101011102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2011100985 and 2011101003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1109587 + ... + 1111397.

Almost surely, 2^2011101012 is an apocalyptic number.

It is an amenable number.

2011101012 is an abundant number, since it is smaller than the sum of its proper divisors (3140125068).

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

2011101012 is a wasteful number, since it uses less digits than its factorization.

2011101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213 (or 2208 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2011101012 is about 44845.3008909518. The cubic root of 2011101012 is about 1262.2478167280.

Adding to 2011101012 its reverse (2101011102), we get a palindrome (4112112114).

The spelling of 2011101012 in words is "two billion, eleven million, one hundred one thousand, twelve".