30021131102 has 4 divisors (see below), whose sum is σ = 45031696656. Its totient is φ = 15010565550.

The previous prime is 30021131081. The next prime is 30021131167. The reversal of 30021131102 is 20113112003.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7505282774 + ... + 7505282777.

It is an arithmetic number, because the mean of its divisors is an integer number (11257924164).

Almost surely, 2^30021131102 is an apocalyptic number.

30021131102 is a deficient number, since it is larger than the sum of its proper divisors (15010565554).

30021131102 is a wasteful number, since it uses less digits than its factorization.

30021131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010565553.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30021131102 its reverse (20113112003), we get a palindrome (50134243105).

The spelling of 30021131102 in words is "thirty billion, twenty-one million, one hundred thirty-one thousand, one hundred two".