221213201130011 has 4 divisors (see below), whose sum is σ = 223280614224792. Its totient is φ = 219145788035232.

The previous prime is 221213201129951. The next prime is 221213201130137. The reversal of 221213201130011 is 110031102312122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221213201130011 - 2²² = 221213196935707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221213201135011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033706547230 + ... + 1033706547443.

It is an arithmetic number, because the mean of its divisors is an integer number (55820153556198).

Almost surely, 2^{221213201130011} is an apocalyptic number.

221213201130011 is a deficient number, since it is larger than the sum of its proper divisors (2067413094781).

221213201130011 is a wasteful number, since it uses less digits than its factorization.

221213201130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067413094780.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 221213201130011 its reverse (110031102312122), we get a palindrome (331244303442133).

The spelling of 221213201130011 in words is "two hundred twenty-one trillion, two hundred thirteen billion, two hundred one million, one hundred thirty thousand, eleven".