2112220004055 has 96 divisors (see below), whose sum is σ = 3940687065600. Its totient is φ = 963287716608.

The previous prime is 2112220004033. The next prime is 2112220004057. The reversal of 2112220004055 is 5504000222112.

It is not a de Polignac number, because 2112220004055 - 2¹² = 2112219999959 is a prime.

It is a super-2 number, since 2×2112220004055² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112220004057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 884142801 + ... + 884145189.

It is an arithmetic number, because the mean of its divisors is an integer number (41048823600).

Almost surely, 2^{2112220004055} is an apocalyptic number.

2112220004055 is a deficient number, since it is larger than the sum of its proper divisors (1828467061545).

2112220004055 is a wasteful number, since it uses less digits than its factorization.

2112220004055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 2112220004055 its reverse (5504000222112), we get a palindrome (7616220226167).

The spelling of 2112220004055 in words is "two trillion, one hundred twelve billion, two hundred twenty million, four thousand, fifty-five".