203122111000013 has 8 divisors (see below), whose sum is σ = 215888228918208. Its totient is φ = 190446855131584.

The previous prime is 203122110999989. The next prime is 203122111000033. The reversal of 203122111000013 is 310000111221302.

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 203122111000013 - 2¹² = 203122110995917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 203122110999955 and 203122111000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122111000033) 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, 22715507831 + ... + 22715516772.

It is an arithmetic number, because the mean of its divisors is an integer number (26986028614776).

Almost surely, 2^{203122111000013} is an apocalyptic number.

It is an amenable number.

203122111000013 is a deficient number, since it is larger than the sum of its proper divisors (12766117918195).

203122111000013 is a wasteful number, since it uses less digits than its factorization.

203122111000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45431024883.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 203122111000013 its reverse (310000111221302), we get a palindrome (513122222221315).

The spelling of 203122111000013 in words is "two hundred three trillion, one hundred twenty-two billion, one hundred eleven million, thirteen", and thus it is an aban number.