222001333231021 has 8 divisors (see below), whose sum is σ = 227164564053504. Its totient is φ = 216838121004960.

The previous prime is 222001333231019. The next prime is 222001333231103. The reversal of 222001333231021 is 120132333100222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222001333231021 - 2¹ = 222001333231019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001333231621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21149940 + ... + 29855026.

It is an arithmetic number, because the mean of its divisors is an integer number (28395570506688).

Almost surely, 2^{222001333231021} is an apocalyptic number.

It is an amenable number.

222001333231021 is a deficient number, since it is larger than the sum of its proper divisors (5163230822483).

222001333231021 is an equidigital number, since it uses as much as digits as its factorization.

222001333231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298211.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 222001333231021 its reverse (120132333100222), we get a palindrome (342133666331243).

The spelling of 222001333231021 in words is "two hundred twenty-two trillion, one billion, three hundred thirty-three million, two hundred thirty-one thousand, twenty-one".