223130012212021 has 2 divisors, whose sum is σ = 223130012212022. Its totient is φ = 223130012212020.

The previous prime is 223130012211961. The next prime is 223130012212061. The reversal of 223130012212021 is 120212210031322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132723878742225 + 90406133469796 = 11520585^2 + 9508214^2 .

It is a cyclic number.

It is not a de Polignac number, because 223130012212021 - 2¹⁹ = 223130011687733 is a prime.

It is a super-3 number, since 3×223130012212021³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223130012211983 and 223130012212001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223130012212061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111565006106010 + 111565006106011.

It is an arithmetic number, because the mean of its divisors is an integer number (111565006106011).

Almost surely, 2^{223130012212021} is an apocalyptic number.

It is an amenable number.

223130012212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

223130012212021 is an equidigital number, since it uses as much as digits as its factorization.

223130012212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 223130012212021 its reverse (120212210031322), we get a palindrome (343342222243343).

The spelling of 223130012212021 in words is "two hundred twenty-three trillion, one hundred thirty billion, twelve million, two hundred twelve thousand, twenty-one".