2111100212020 has 24 divisors (see below), whose sum is σ = 4626063074304. Its totient is φ = 807725298336.

The previous prime is 2111100212003. The next prime is 2111100212029. The reversal of 2111100212020 is 202120011112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111100212029) 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, 2294673684 + ... + 2294674603.

It is an arithmetic number, because the mean of its divisors is an integer number (192752628096).

Almost surely, 2^{2111100212020} is an apocalyptic number.

2111100212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111100212020 is an abundant number, since it is smaller than the sum of its proper divisors (2514962862284).

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

2111100212020 is a wasteful number, since it uses less digits than its factorization.

2111100212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589348319 (or 4589348317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2111100212020 its reverse (202120011112), we get a palindrome (2313220223132).

The spelling of 2111100212020 in words is "two trillion, one hundred eleven billion, one hundred million, two hundred twelve thousand, twenty".