223012121311 has 32 divisors (see below), whose sum is σ = 270855360000. Its totient is φ = 179363745792.

The previous prime is 223012121281. The next prime is 223012121323. The reversal of 223012121311 is 113121210322.

It is not a de Polignac number, because 223012121311 - 2⁵ = 223012121279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012121341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8167600 + ... + 8194858.

It is an arithmetic number, because the mean of its divisors is an integer number (8464230000).

Almost surely, 2^223012121311 is an apocalyptic number.

223012121311 is a deficient number, since it is larger than the sum of its proper divisors (47843238689).

223012121311 is a wasteful number, since it uses less digits than its factorization.

223012121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27871.

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

Adding to 223012121311 its reverse (113121210322), we get a palindrome (336133331633).

The spelling of 223012121311 in words is "two hundred twenty-three billion, twelve million, one hundred twenty-one thousand, three hundred eleven".