223210220011 has 4 divisors (see below), whose sum is σ = 223220028024. Its totient is φ = 223200412000.

The previous prime is 223210219961. The next prime is 223210220081. The reversal of 223210220011 is 110022012322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110022012322 = 2 ⋅55011006161.

It is a cyclic number.

It is not a de Polignac number, because 223210220011 - 2¹⁷ = 223210088939 is a prime.

It is a super-3 number, since 3×223210220011³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223210220081) 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, 4869790 + ... + 4915411.

It is an arithmetic number, because the mean of its divisors is an integer number (55805007006).

Almost surely, 2^223210220011 is an apocalyptic number.

223210220011 is a deficient number, since it is larger than the sum of its proper divisors (9808013).

223210220011 is an equidigital number, since it uses as much as digits as its factorization.

223210220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9808012.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 223210220011 its reverse (110022012322), we get a palindrome (333232232333).

The spelling of 223210220011 in words is "two hundred twenty-three billion, two hundred ten million, two hundred twenty thousand, eleven".