2221000022211 has 8 divisors (see below), whose sum is σ = 3090086987520. Its totient is φ = 1416289869192.

The previous prime is 2221000022203. The next prime is 2221000022231. The reversal of 2221000022211 is 1122200001222.

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

It is not a de Polignac number, because 2221000022211 - 2³ = 2221000022203 is a prime.

It is a super-2 number, since 2×2221000022211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221000022231) 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, 16094202991 + ... + 16094203128.

It is an arithmetic number, because the mean of its divisors is an integer number (386260873440).

Almost surely, 2^{2221000022211} is an apocalyptic number.

2221000022211 is a deficient number, since it is larger than the sum of its proper divisors (869086965309).

2221000022211 is a wasteful number, since it uses less digits than its factorization.

2221000022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32188406145.

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

Adding to 2221000022211 its reverse (1122200001222), we get a palindrome (3343200023433).

The spelling of 2221000022211 in words is "two trillion, two hundred twenty-one billion, twenty-two thousand, two hundred eleven".