211221222200113 has 8 divisors (see below), whose sum is σ = 215841454815168. Its totient is φ = 206650403837904.

The previous prime is 211221222200101. The next prime is 211221222200137. The reversal of 211221222200113 is 311002222122112.

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

It is not a de Polignac number, because 211221222200113 - 2⁹ = 211221222199601 is a prime.

It is a super-2 number, since 2×211221222200113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211221222300113) 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, 12353554570 + ... + 12353571667.

It is an arithmetic number, because the mean of its divisors is an integer number (26980181851896).

Almost surely, 2^{211221222200113} is an apocalyptic number.

It is an amenable number.

211221222200113 is a deficient number, since it is larger than the sum of its proper divisors (4620232615055).

211221222200113 is a wasteful number, since it uses less digits than its factorization.

211221222200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24707126423.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 211221222200113 its reverse (311002222122112), we get a palindrome (522223444322225).

The spelling of 211221222200113 in words is "two hundred eleven trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred thirteen".