223213001121 has 48 divisors (see below), whose sum is σ = 363865582080. Its totient is φ = 130631904000.

The previous prime is 223213001119. The next prime is 223213001153. The reversal of 223213001121 is 121100312322.

223213001121 is a `hidden beast` number, since 22 + 321 + 300 + 1 + 1 + 21 = 666.

It is not a de Polignac number, because 223213001121 - 2¹ = 223213001119 is a prime.

It is a super-3 number, since 3×223213001121³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223213001094 and 223213001103.

It is not an unprimeable number, because it can be changed into a prime (223213001521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1335925 + ... + 1493693.

It is an arithmetic number, because the mean of its divisors is an integer number (7580532960).

Almost surely, 2^223213001121 is an apocalyptic number.

It is an amenable number.

223213001121 is a deficient number, since it is larger than the sum of its proper divisors (140652580959).

223213001121 is a wasteful number, since it uses less digits than its factorization.

223213001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158278 (or 158275 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223213001121 its reverse (121100312322), we get a palindrome (344313313443).

The spelling of 223213001121 in words is "two hundred twenty-three billion, two hundred thirteen million, one thousand, one hundred twenty-one".