332212211021 has 4 divisors (see below), whose sum is σ = 332214330012. Its totient is φ = 332210092032.

The previous prime is 332212211011. The next prime is 332212211029. The reversal of 332212211021 is 120112212233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177771856900 + 154440354121 = 421630^2 + 392989^2 .

It is a cyclic number.

It is not a de Polignac number, because 332212211021 - 2¹⁴ = 332212194637 is a prime.

It is a super-2 number, since 2×332212211021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332212210984 and 332212211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332212211029) 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, 803750 + ... + 1144743.

It is an arithmetic number, because the mean of its divisors is an integer number (83053582503).

Almost surely, 2^332212211021 is an apocalyptic number.

It is an amenable number.

332212211021 is a deficient number, since it is larger than the sum of its proper divisors (2118991).

332212211021 is a wasteful number, since it uses less digits than its factorization.

332212211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118990.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 332212211021 its reverse (120112212233), we get a palindrome (452324423254).

The spelling of 332212211021 in words is "three hundred thirty-two billion, two hundred twelve million, two hundred eleven thousand, twenty-one".