30202121011321 has 8 divisors (see below), whose sum is σ = 34516895666624. Its totient is φ = 25887392840880.

The previous prime is 30202121011297. The next prime is 30202121011331. The reversal of 30202121011321 is 12311012120203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30202121011321 is a prime.

It is a super-2 number, since 2×30202121011321² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30202121011331) 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, 10217655 + ... + 12837628.

It is an arithmetic number, because the mean of its divisors is an integer number (4314611958328).

Almost surely, 2^{30202121011321} is an apocalyptic number.

It is an amenable number.

30202121011321 is a deficient number, since it is larger than the sum of its proper divisors (4314774655303).

30202121011321 is a wasteful number, since it uses less digits than its factorization.

30202121011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23242431.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30202121011321 its reverse (12311012120203), we get a palindrome (42513133131524).

The spelling of 30202121011321 in words is "thirty trillion, two hundred two billion, one hundred twenty-one million, eleven thousand, three hundred twenty-one".