223201221101 has 4 divisors (see below), whose sum is σ = 223240433052. Its totient is φ = 223162009152.

The previous prime is 223201221043. The next prime is 223201221119. The reversal of 223201221101 is 101122102322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101122102322 = 2 ⋅50561051161.

It can be written as a sum of positive squares in 2 ways, for example, as 13624959076 + 209576262025 = 116726^2 + 457795^2 .

It is a cyclic number.

It is not a de Polignac number, because 223201221101 - 2¹⁸ = 223200958957 is a prime.

It is a super-3 number, since 3×223201221101³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223201221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223201223101) 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, 19597436 + ... + 19608821.

It is an arithmetic number, because the mean of its divisors is an integer number (55810108263).

Almost surely, 2^223201221101 is an apocalyptic number.

It is an amenable number.

223201221101 is a deficient number, since it is larger than the sum of its proper divisors (39211951).

223201221101 is an equidigital number, since it uses as much as digits as its factorization.

223201221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39211950.

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

Adding to 223201221101 its reverse (101122102322), we get a palindrome (324323323423).

It can be divided in two parts, 22320 and 1221101, that added together give a palindrome (1243421).

The spelling of 223201221101 in words is "two hundred twenty-three billion, two hundred one million, two hundred twenty-one thousand, one hundred one".