2111002011012 has 24 divisors (see below), whose sum is σ = 4933977735456. Its totient is φ = 702480711808.

The previous prime is 2111002010987. The next prime is 2111002011017. The reversal of 2111002011012 is 2101102001112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2111002011017) 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, 148320738 + ... + 148334969.

It is an arithmetic number, because the mean of its divisors is an integer number (205582405644).

Almost surely, 2^{2111002011012} is an apocalyptic number.

It is an amenable number.

2111002011012 is an abundant number, since it is smaller than the sum of its proper divisors (2822975724444).

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

2111002011012 is a wasteful number, since it uses less digits than its factorization.

2111002011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296656307 (or 296656305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2111002011012 its reverse (2101102001112), we get a palindrome (4212104012124).

The spelling of 2111002011012 in words is "two trillion, one hundred eleven billion, two million, eleven thousand, twelve".