2211112002220 has 48 divisors (see below), whose sum is σ = 5228858428416. Its totient is φ = 778103928000.

The previous prime is 2211112002173. The next prime is 2211112002223. The reversal of 2211112002220 is 222002111122.

It is a happy number.

It is a super-2 number, since 2×2211112002220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211112002194 and 2211112002203.

It is not an unprimeable number, because it can be changed into a prime (2211112002223) 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, 162098166 + ... + 162111805.

It is an arithmetic number, because the mean of its divisors is an integer number (108934550592).

Almost surely, 2^{2211112002220} is an apocalyptic number.

2211112002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211112002220 is an abundant number, since it is smaller than the sum of its proper divisors (3017746426196).

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

2211112002220 is a wasteful number, since it uses less digits than its factorization.

2211112002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324210022 (or 324210020 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211112002220 its reverse (222002111122), we get a palindrome (2433114113342).

The spelling of 2211112002220 in words is "two trillion, two hundred eleven billion, one hundred twelve million, two thousand, two hundred twenty".