2211112012020 has 96 divisors (see below), whose sum is σ = 6296567356800. Its totient is φ = 579588309504.

The previous prime is 2211112012013. The next prime is 2211112012097. The reversal of 2211112012020 is 202102111122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68932546 + ... + 68964614.

It is an arithmetic number, because the mean of its divisors is an integer number (65589243300).

Almost surely, 2^{2211112012020} is an apocalyptic number.

2211112012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211112012020 is an abundant number, since it is smaller than the sum of its proper divisors (4085455344780).

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

2211112012020 is a wasteful number, since it uses less digits than its factorization.

2211112012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51617 (or 51615 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211112012020 its reverse (202102111122), we get a palindrome (2413214123142).

The spelling of 2211112012020 in words is "two trillion, two hundred eleven billion, one hundred twelve million, twelve thousand, twenty".