2211044040020 has 48 divisors (see below), whose sum is σ = 4664653056000. Its totient is φ = 880339157376.

The previous prime is 2211044039987. The next prime is 2211044040043. The reversal of 2211044040020 is 200404401122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2211044039974 and 2211044040001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3533114 + ... + 4111566.

It is an arithmetic number, because the mean of its divisors is an integer number (97180272000).

Almost surely, 2^{2211044040020} is an apocalyptic number.

2211044040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211044040020 is an abundant number, since it is smaller than the sum of its proper divisors (2453609015980).

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

2211044040020 is a wasteful number, since it uses less digits than its factorization.

2211044040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579344 (or 579342 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2211044040020 its reverse (200404401122), we get a palindrome (2411448441142).

The spelling of 2211044040020 in words is "two trillion, two hundred eleven billion, forty-four million, forty thousand, twenty".