223211021131 has 8 divisors (see below), whose sum is σ = 255104783360. Its totient is φ = 191318877288.

The previous prime is 223211021107. The next prime is 223211021203. The reversal of 223211021131 is 131120112322.

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

It is not a de Polignac number, because 223211021131 - 2¹⁹ = 223210496843 is a prime.

It is a super-3 number, since 3×223211021131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223211021099 and 223211021108.

It is not an unprimeable number, because it can be changed into a prime (223211021531) 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, 93051 + ... + 674596.

It is an arithmetic number, because the mean of its divisors is an integer number (31888097920).

Almost surely, 2^223211021131 is an apocalyptic number.

223211021131 is a deficient number, since it is larger than the sum of its proper divisors (31893762229).

223211021131 is an equidigital number, since it uses as much as digits as its factorization.

223211021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809193.

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

Adding to 223211021131 its reverse (131120112322), we get a palindrome (354331133453).

The spelling of 223211021131 in words is "two hundred twenty-three billion, two hundred eleven million, twenty-one thousand, one hundred thirty-one".