30021121302 has 32 divisors (see below), whose sum is σ = 60252626304. Its totient is φ = 9972009600.

The previous prime is 30021121283. The next prime is 30021121307. The reversal of 30021121302 is 20312112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021121307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6085777 + ... + 6090707.

It is an arithmetic number, because the mean of its divisors is an integer number (1882894572).

Almost surely, 2^30021121302 is an apocalyptic number.

30021121302 is an abundant number, since it is smaller than the sum of its proper divisors (30231505002).

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

30021121302 is a wasteful number, since it uses less digits than its factorization.

30021121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30021121302 its reverse (20312112003), we get a palindrome (50333233305).

The spelling of 30021121302 in words is "thirty billion, twenty-one million, one hundred twenty-one thousand, three hundred two".