203122420203011 has 16 divisors (see below), whose sum is σ = 210463875521280. Its totient is φ = 195831671571840.

The previous prime is 203122420202993. The next prime is 203122420203097. The reversal of 203122420203011 is 110302024221302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203122420203011 is a prime.

It is a super-2 number, since 2×203122420203011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203122420203611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766716 + ... + 20344521.

It is an arithmetic number, because the mean of its divisors is an integer number (13153992220080).

Almost surely, 2^{203122420203011} is an apocalyptic number.

203122420203011 is a deficient number, since it is larger than the sum of its proper divisors (7341455318269).

203122420203011 is a wasteful number, since it uses less digits than its factorization.

203122420203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23112334.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 203122420203011 its reverse (110302024221302), we get a palindrome (313424444424313).

The spelling of 203122420203011 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred twenty million, two hundred three thousand, eleven".