223013201121 has 6 divisors (see below), whose sum is σ = 322130179410. Its totient is φ = 148675467408.

The previous prime is 223013201113. The next prime is 223013201171. The reversal of 223013201121 is 121102310322.

223013201121 is a `hidden beast` number, since 2 + 230 + 1 + 320 + 112 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 208387685025 + 14625516096 = 456495^2 + 120936^2 .

It is not a de Polignac number, because 223013201121 - 2³ = 223013201113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223013201094 and 223013201103.

It is not an unprimeable number, because it can be changed into a prime (223013201171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12389622276 + ... + 12389622293.

It is an arithmetic number, because the mean of its divisors is an integer number (53688363235).

Almost surely, 2^223013201121 is an apocalyptic number.

It is an amenable number.

223013201121 is a deficient number, since it is larger than the sum of its proper divisors (99116978289).

223013201121 is a wasteful number, since it uses less digits than its factorization.

223013201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24779244575 (or 24779244572 counting only the distinct ones).

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

Adding to 223013201121 its reverse (121102310322), we get a palindrome (344115511443).

The spelling of 223013201121 in words is "two hundred twenty-three billion, thirteen million, two hundred one thousand, one hundred twenty-one".