222030031303021 has 4 divisors (see below), whose sum is σ = 229192290377344. Its totient is φ = 214867772228700.

The previous prime is 222030031303013. The next prime is 222030031303057. The reversal of 222030031303021 is 120303130030222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222030031303021 - 2³ = 222030031303013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222030031302983 and 222030031303001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222030031303001) 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, 3581129537115 + ... + 3581129537176.

It is an arithmetic number, because the mean of its divisors is an integer number (57298072594336).

Almost surely, 2^{222030031303021} is an apocalyptic number.

It is an amenable number.

222030031303021 is a deficient number, since it is larger than the sum of its proper divisors (7162259074323).

222030031303021 is an equidigital number, since it uses as much as digits as its factorization.

222030031303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162259074322.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 222030031303021 its reverse (120303130030222), we get a palindrome (342333161333243).

The spelling of 222030031303021 in words is "two hundred twenty-two trillion, thirty billion, thirty-one million, three hundred three thousand, twenty-one".