20303111120001 has 32 divisors (see below), whose sum is σ = 27897225003648. Its totient is φ = 13124709158400.

The previous prime is 20303111119981. The next prime is 20303111120009. The reversal of 20303111120001 is 10002111130302.

It is a happy number.

It is not a de Polignac number, because 20303111120001 - 2¹¹ = 20303111117953 is a prime.

It is a super-2 number, since 2×20303111120001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20303111120009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245756101 + ... + 245838701.

It is an arithmetic number, because the mean of its divisors is an integer number (871788281364).

Almost surely, 2^{20303111120001} is an apocalyptic number.

It is an amenable number.

20303111120001 is a deficient number, since it is larger than the sum of its proper divisors (7594113883647).

20303111120001 is a wasteful number, since it uses less digits than its factorization.

20303111120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90161.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20303111120001 its reverse (10002111130302), we get a palindrome (30305222250303).

The spelling of 20303111120001 in words is "twenty trillion, three hundred three billion, one hundred eleven million, one hundred twenty thousand, one".