30100211032123 has 4 divisors (see below), whose sum is σ = 30100228679560. Its totient is φ = 30100193384688.

The previous prime is 30100211032093. The next prime is 30100211032139. The reversal of 30100211032123 is 32123011200103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30100211032123 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 30100211032123.

It is not an unprimeable number, because it can be changed into a prime (30100211032153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5954193 + ... + 9780226.

It is an arithmetic number, because the mean of its divisors is an integer number (7525057169890).

Almost surely, 2^{30100211032123} is an apocalyptic number.

30100211032123 is a deficient number, since it is larger than the sum of its proper divisors (17647437).

30100211032123 is a wasteful number, since it uses less digits than its factorization.

30100211032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17647436.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30100211032123 its reverse (32123011200103), we get a palindrome (62223222232226).

The spelling of 30100211032123 in words is "thirty trillion, one hundred billion, two hundred eleven million, thirty-two thousand, one hundred twenty-three".