30032330223121 has 4 divisors (see below), whose sum is σ = 30033404637732. Its totient is φ = 30031255808512.

The previous prime is 30032330223079. The next prime is 30032330223209. The reversal of 30032330223121 is 12132203323003.

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 29771602544896 + 260727678225 = 5456336^2 + 510615^2 .

It is a cyclic number.

It is not a de Polignac number, because 30032330223121 - 2²³ = 30032321834513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30032330223221) 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, 537165376 + ... + 537221281.

It is an arithmetic number, because the mean of its divisors is an integer number (7508351159433).

Almost surely, 2^{30032330223121} is an apocalyptic number.

It is an amenable number.

30032330223121 is a deficient number, since it is larger than the sum of its proper divisors (1074414611).

30032330223121 is a wasteful number, since it uses less digits than its factorization.

30032330223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074414610.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30032330223121 its reverse (12132203323003), we get a palindrome (42164533546124).

The spelling of 30032330223121 in words is "thirty trillion, thirty-two billion, three hundred thirty million, two hundred twenty-three thousand, one hundred twenty-one".