203110220001 has 16 divisors (see below), whose sum is σ = 306995205440. Its totient is φ = 118412435520.

The previous prime is 203110219999. The next prime is 203110220029. The reversal of 203110220001 is 100022011302.

It is not a de Polignac number, because 203110220001 - 2¹ = 203110219999 is a prime.

It is a super-2 number, since 2×203110220001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203110220101) 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, 137050690 + ... + 137052171.

It is an arithmetic number, because the mean of its divisors is an integer number (19187200340).

Almost surely, 2^203110220001 is an apocalyptic number.

It is an amenable number.

203110220001 is a deficient number, since it is larger than the sum of its proper divisors (103884985439).

203110220001 is a wasteful number, since it uses less digits than its factorization.

203110220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274102896.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 203110220001 its reverse (100022011302), we get a palindrome (303132231303).

The spelling of 203110220001 in words is "two hundred three billion, one hundred ten million, two hundred twenty thousand, one".