30021220103234 has 4 divisors (see below), whose sum is σ = 45031830154854. Its totient is φ = 15010610051616.

The previous prime is 30021220103201. The next prime is 30021220103243. The reversal of 30021220103234 is 43230102212003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30001198702225 + 20021401009 = 5477335^2 + 141497^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7505305025807 + ... + 7505305025810.

Almost surely, 2^{30021220103234} is an apocalyptic number.

30021220103234 is a deficient number, since it is larger than the sum of its proper divisors (15010610051620).

30021220103234 is a wasteful number, since it uses less digits than its factorization.

30021220103234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010610051619.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30021220103234 its reverse (43230102212003), we get a palindrome (73251322315237).

The spelling of 30021220103234 in words is "thirty trillion, twenty-one billion, two hundred twenty million, one hundred three thousand, two hundred thirty-four".