30211102120123 has 8 divisors (see below), whose sum is σ = 30405752380080. Its totient is φ = 30016479997920.

The previous prime is 30211102120097. The next prime is 30211102120187. The reversal of 30211102120123 is 32102120111203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30211102120123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30211102120123.

It is not an unprimeable number, because it can be changed into a prime (30211102123123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4878028 + ... + 9177001.

It is an arithmetic number, because the mean of its divisors is an integer number (3800719047510).

Almost surely, 2^{30211102120123} is an apocalyptic number.

30211102120123 is a deficient number, since it is larger than the sum of its proper divisors (194650259957).

30211102120123 is a wasteful number, since it uses less digits than its factorization.

30211102120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14068877.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30211102120123 its reverse (32102120111203), we get a palindrome (62313222231326).

The spelling of 30211102120123 in words is "thirty trillion, two hundred eleven billion, one hundred two million, one hundred twenty thousand, one hundred twenty-three".