30122122113203 has 4 divisors (see below), whose sum is σ = 30278195284968. Its totient is φ = 29966048941440.

The previous prime is 30122122113191. The next prime is 30122122113233. The reversal of 30122122113203 is 30231122122103.

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

It is a cyclic number.

It is not a de Polignac number, because 30122122113203 - 2⁸ = 30122122112947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122122113233) 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, 78036585593 + ... + 78036585978.

It is an arithmetic number, because the mean of its divisors is an integer number (7569548821242).

Almost surely, 2^{30122122113203} is an apocalyptic number.

30122122113203 is a deficient number, since it is larger than the sum of its proper divisors (156073171765).

30122122113203 is a wasteful number, since it uses less digits than its factorization.

30122122113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156073171764.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30122122113203 its reverse (30231122122103), we get a palindrome (60353244235306).

The spelling of 30122122113203 in words is "thirty trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred three".