2011110012020 has 48 divisors (see below), whose sum is σ = 4408220009088. Its totient is φ = 769247149440.

The previous prime is 2011110011969. The next prime is 2011110012029. The reversal of 2011110012020 is 202100111102.

It is a junction number, because it is equal to n+sod(n) for n = 2011110011992 and 2011110012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011110012029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979682 + ... + 2232038.

It is an arithmetic number, because the mean of its divisors is an integer number (91837916856).

Almost surely, 2^{2011110012020} is an apocalyptic number.

2011110012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011110012020 is an abundant number, since it is smaller than the sum of its proper divisors (2397109997068).

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

2011110012020 is a wasteful number, since it uses less digits than its factorization.

2011110012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255880 (or 1255878 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2011110012020 its reverse (202100111102), we get a palindrome (2213210123122).

The spelling of 2011110012020 in words is "two trillion, eleven billion, one hundred ten million, twelve thousand, twenty".