2200211221000 has 64 divisors (see below), whose sum is σ = 5544532309680. Its totient is φ = 812385676800.

The previous prime is 2200211220989. The next prime is 2200211221009. The reversal of 2200211221000 is 1221120022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 288091974564 + 1912119246436 = 536742^2 + 1382794^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2200211221009) 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, 84610509 + ... + 84636508.

Almost surely, 2^{2200211221000} is an apocalyptic number.

2200211221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200211221000 is an abundant number, since it is smaller than the sum of its proper divisors (3344321088680).

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

2200211221000 is a wasteful number, since it uses less digits than its factorization.

2200211221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169247051 (or 169247037 counting only the distinct ones).

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

Adding to 2200211221000 its reverse (1221120022), we get a palindrome (2201432341022).

The spelling of 2200211221000 in words is "two trillion, two hundred billion, two hundred eleven million, two hundred twenty-one thousand".