30202121311120 has 160 divisors (see below), whose sum is σ = 76955823083520. Its totient is φ = 10932104977920.

The previous prime is 30202121311069. The next prime is 30202121311123. The reversal of 30202121311120 is 2111312120203.

It is not an unprimeable number, because it can be changed into a prime (30202121311123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1354161889 + ... + 1354184191.

It is an arithmetic number, because the mean of its divisors is an integer number (480973894272).

Almost surely, 2^{30202121311120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30202121311120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38477911541760).

30202121311120 is an abundant number, since it is smaller than the sum of its proper divisors (46753701772400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30202121311120 is a wasteful number, since it uses less digits than its factorization.

30202121311120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29333 (or 29327 counting only the distinct ones).

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

Adding to 30202121311120 its reverse (2111312120203), we get a palindrome (32313433431323).

The spelling of 30202121311120 in words is "thirty trillion, two hundred two billion, one hundred twenty-one million, three hundred eleven thousand, one hundred twenty".