2000001122221 has 8 divisors (see below), whose sum is σ = 2105284678400. Its totient is φ = 1894719600000.

The previous prime is 2000001122177. The next prime is 2000001122267. The reversal of 2000001122221 is 1222211000002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2000001122221 - 2¹³ = 2000001114029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000001152221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772221 + ... + 2672221.

It is an arithmetic number, because the mean of its divisors is an integer number (263160584800).

Almost surely, 2^{2000001122221} is an apocalyptic number.

It is an amenable number.

2000001122221 is a deficient number, since it is larger than the sum of its proper divisors (105283556179).

2000001122221 is a wasteful number, since it uses less digits than its factorization.

2000001122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016979.

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

Adding to 2000001122221 its reverse (1222211000002), we get a palindrome (3222212122223).

The spelling of 2000001122221 in words is "two trillion, one million, one hundred twenty-two thousand, two hundred twenty-one".