2000011222221 has 16 divisors (see below), whose sum is σ = 2670903798720. Its totient is φ = 1331230118400.

The previous prime is 2000011222213. The next prime is 2000011222229. The reversal of 2000011222221 is 1222221100002.

It is an interprime number because it is at equal distance from previous prime (2000011222213) and next prime (2000011222229).

It is not a de Polignac number, because 2000011222221 - 2³ = 2000011222213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2000011222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000011222229) 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, 23581990 + ... + 23666648.

It is an arithmetic number, because the mean of its divisors is an integer number (166931487420).

Almost surely, 2^{2000011222221} is an apocalyptic number.

It is an amenable number.

2000011222221 is a deficient number, since it is larger than the sum of its proper divisors (670892576499).

2000011222221 is a wasteful number, since it uses less digits than its factorization.

2000011222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97036.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2000011222221 its reverse (1222221100002), we get a palindrome (3222232322223).

The spelling of 2000011222221 in words is "two trillion, eleven million, two hundred twenty-two thousand, two hundred twenty-one".