223212101311 has 4 divisors (see below), whose sum is σ = 223223931000. Its totient is φ = 223200271624.

The previous prime is 223212101279. The next prime is 223212101317. The reversal of 223212101311 is 113101212322.

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 223212101311 - 2⁵ = 223212101279 is a prime.

It is a super-3 number, since 3×223212101311³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212101317) 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, 5886496 + ... + 5924293.

It is an arithmetic number, because the mean of its divisors is an integer number (55805982750).

Almost surely, 2^223212101311 is an apocalyptic number.

223212101311 is a deficient number, since it is larger than the sum of its proper divisors (11829689).

223212101311 is a wasteful number, since it uses less digits than its factorization.

223212101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11829688.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 223212101311 its reverse (113101212322), we get a palindrome (336313313633).

The spelling of 223212101311 in words is "two hundred twenty-three billion, two hundred twelve million, one hundred one thousand, three hundred eleven".