30231121102 has 32 divisors (see below), whose sum is σ = 56438424000. Its totient is φ = 11825180928.

The previous prime is 30231121051. The next prime is 30231121117. The reversal of 30231121102 is 20112113203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916977 + ... + 949372.

It is an arithmetic number, because the mean of its divisors is an integer number (1763700750).

Almost surely, 2^30231121102 is an apocalyptic number.

30231121102 is a deficient number, since it is larger than the sum of its proper divisors (26207302898).

30231121102 is a wasteful number, since it uses less digits than its factorization.

30231121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866460.

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

Adding to 30231121102 its reverse (20112113203), we get a palindrome (50343234305).

It can be divided in two parts, 30 and 231121102, that added together give a palindrome (231121132).

The spelling of 30231121102 in words is "thirty billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred two".