220322030121 has 6 divisors (see below), whose sum is σ = 318242932410. Its totient is φ = 146881353408.

The previous prime is 220322030113. The next prime is 220322030129. The reversal of 220322030121 is 121030223022.

220322030121 is a `hidden beast` number, since 2 + 20 + 322 + 0 + 301 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (220322030113) and next prime (220322030129).

It can be written as a sum of positive squares in only one way, i.e., 209819879721 + 10502150400 = 458061^2 + 102480^2 .

It is not a de Polignac number, because 220322030121 - 2³ = 220322030113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220322030094 and 220322030103.

It is not an unprimeable number, because it can be changed into a prime (220322030129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12240112776 + ... + 12240112793.

It is an arithmetic number, because the mean of its divisors is an integer number (53040488735).

Almost surely, 2^220322030121 is an apocalyptic number.

It is an amenable number.

220322030121 is a deficient number, since it is larger than the sum of its proper divisors (97920902289).

220322030121 is a wasteful number, since it uses less digits than its factorization.

220322030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24480225575 (or 24480225572 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220322030121 its reverse (121030223022), we get a palindrome (341352253143).

The spelling of 220322030121 in words is "two hundred twenty billion, three hundred twenty-two million, thirty thousand, one hundred twenty-one".