203130220311121 has 8 divisors (see below), whose sum is σ = 206581711544640. Its totient is φ = 199679015949168.

The previous prime is 203130220311059. The next prime is 203130220311131. The reversal of 203130220311121 is 121113022031302.

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

It is a cyclic number.

It is not a de Polignac number, because 203130220311121 - 2²⁹ = 203129683440209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203130220311092 and 203130220311101.

It is not an unprimeable number, because it can be changed into a prime (203130220311131) 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, 70289446 + ... + 73122271.

It is an arithmetic number, because the mean of its divisors is an integer number (25822713943080).

Almost surely, 2^{203130220311121} is an apocalyptic number.

It is an amenable number.

203130220311121 is a deficient number, since it is larger than the sum of its proper divisors (3451491233519).

203130220311121 is a wasteful number, since it uses less digits than its factorization.

203130220311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143435783.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 203130220311121 its reverse (121113022031302), we get a palindrome (324243242342423).

The spelling of 203130220311121 in words is "two hundred three trillion, one hundred thirty billion, two hundred twenty million, three hundred eleven thousand, one hundred twenty-one".