11121102001031 has 32 divisors (see below), whose sum is σ = 13042658361600. Its totient is φ = 9374834177280.

The previous prime is 11121102001027. The next prime is 11121102001081. The reversal of 11121102001031 is 13010020112111.

11121102001031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11121102001031 - 2² = 11121102001027 is a prime.

It is a super-2 number, since 2×11121102001031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121102000997 and 11121102001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121102001081) 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, 3443195 + ... + 5839331.

It is an arithmetic number, because the mean of its divisors is an integer number (407583073800).

Almost surely, 2^{11121102001031} is an apocalyptic number.

11121102001031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11121102001031 is a deficient number, since it is larger than the sum of its proper divisors (1921556360569).

11121102001031 is a wasteful number, since it uses less digits than its factorization.

11121102001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396639.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11121102001031 its reverse (13010020112111), we get a palindrome (24131122113142).

The spelling of 11121102001031 in words is "eleven trillion, one hundred twenty-one billion, one hundred two million, one thousand, thirty-one".