223021232101 has 2 divisors, whose sum is σ = 223021232102. Its totient is φ = 223021232100.

The previous prime is 223021232069. The next prime is 223021232171. The reversal of 223021232101 is 101232120322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162932515201 + 60088716900 = 403649^2 + 245130^2 .

It is a cyclic number.

It is not a de Polignac number, because 223021232101 - 2⁵ = 223021232069 is a prime.

It is a super-2 number, since 2×223021232101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223021232171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510616050 + 111510616051.

It is an arithmetic number, because the mean of its divisors is an integer number (111510616051).

Almost surely, 2^223021232101 is an apocalyptic number.

It is an amenable number.

223021232101 is a deficient number, since it is larger than the sum of its proper divisors (1).

223021232101 is an equidigital number, since it uses as much as digits as its factorization.

223021232101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 223021232101 its reverse (101232120322), we get a palindrome (324253352423).

The spelling of 223021232101 in words is "two hundred twenty-three billion, twenty-one million, two hundred thirty-two thousand, one hundred one".