30221113102 has 4 divisors (see below), whose sum is σ = 45331669656. Its totient is φ = 15110556550.

The previous prime is 30221113049. The next prime is 30221113103. The reversal of 30221113102 is 20131112203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221113103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555278274 + ... + 7555278277.

It is an arithmetic number, because the mean of its divisors is an integer number (11332917414).

Almost surely, 2^30221113102 is an apocalyptic number.

30221113102 is a deficient number, since it is larger than the sum of its proper divisors (15110556554).

30221113102 is a wasteful number, since it uses less digits than its factorization.

30221113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15110556553.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30221113102 its reverse (20131112203), we get a palindrome (50352225305).

The spelling of 30221113102 in words is "thirty billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred two".