223101104021 has 4 divisors (see below), whose sum is σ = 223674629100. Its totient is φ = 222527578944.

The previous prime is 223101103999. The next prime is 223101104059. The reversal of 223101104021 is 120401101322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120401101322 = 2 ⋅60200550661.

It can be written as a sum of positive squares in 2 ways, for example, as 40336303921 + 182764800100 = 200839^2 + 427510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223101104021 is a prime.

It is a super-3 number, since 3×223101104021³ (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 (223101104071) 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, 286761956 + ... + 286762733.

It is an arithmetic number, because the mean of its divisors is an integer number (55918657275).

Almost surely, 2^223101104021 is an apocalyptic number.

It is an amenable number.

223101104021 is a deficient number, since it is larger than the sum of its proper divisors (573525079).

223101104021 is an equidigital number, since it uses as much as digits as its factorization.

223101104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573525078.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 223101104021 its reverse (120401101322), we get a palindrome (343502205343).

The spelling of 223101104021 in words is "two hundred twenty-three billion, one hundred one million, one hundred four thousand, twenty-one".