2201121000220 has 24 divisors (see below), whose sum is σ = 4624375339584. Its totient is φ = 880063402176.

The previous prime is 2201121000217. The next prime is 2201121000269. The reversal of 2201121000220 is 220001211022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201121000220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24015487 + ... + 24106966.

It is an arithmetic number, because the mean of its divisors is an integer number (192682305816).

Almost surely, 2^{2201121000220} is an apocalyptic number.

2201121000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201121000220 is an abundant number, since it is smaller than the sum of its proper divisors (2423254339364).

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

2201121000220 is a wasteful number, since it uses less digits than its factorization.

2201121000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48124749 (or 48124747 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2201121000220 its reverse (220001211022), we get a palindrome (2421122211242).

The spelling of 2201121000220 in words is "two trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty", and thus it is an aban number.