11121303031201 has 24 divisors (see below), whose sum is σ = 12943291536864. Its totient is φ = 9474713479680.

The previous prime is 11121303031199. The next prime is 11121303031213. The reversal of 11121303031201 is 10213030312111.

It is not a de Polignac number, because 11121303031201 - 2¹ = 11121303031199 is a prime.

It is a super-2 number, since 2×11121303031201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121303032201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6766515 + ... + 8247928.

It is an arithmetic number, because the mean of its divisors is an integer number (539303814036).

Almost surely, 2^{11121303031201} is an apocalyptic number.

11121303031201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11121303031201 is a deficient number, since it is larger than the sum of its proper divisors (1821988505663).

11121303031201 is a wasteful number, since it uses less digits than its factorization.

11121303031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15014721 (or 15014704 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11121303031201 its reverse (10213030312111), we get a palindrome (21334333343312).

The spelling of 11121303031201 in words is "eleven trillion, one hundred twenty-one billion, three hundred three million, thirty-one thousand, two hundred one".