10122121023203 has 4 divisors (see below), whose sum is σ = 11568138312240. Its totient is φ = 8676103734168.

The previous prime is 10122121023151. The next prime is 10122121023221. The reversal of 10122121023203 is 30232012122101.

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 10122121023203 - 2²⁰ = 10122119974627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10122121023253) 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, 723008644508 + ... + 723008644521.

It is an arithmetic number, because the mean of its divisors is an integer number (2892034578060).

Almost surely, 2^{10122121023203} is an apocalyptic number.

10122121023203 is a deficient number, since it is larger than the sum of its proper divisors (1446017289037).

10122121023203 is an equidigital number, since it uses as much as digits as its factorization.

10122121023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446017289036.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10122121023203 its reverse (30232012122101), we get a palindrome (40354133145304).

The spelling of 10122121023203 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-three thousand, two hundred three".