1121121110213 has 8 divisors (see below), whose sum is σ = 1207419675000. Its totient is φ = 1034830899648.

The previous prime is 1121121110203. The next prime is 1121121110269. The reversal of 1121121110213 is 3120111211211.

It can be written as a sum of positive squares in 4 ways, for example, as 4290643009 + 1116830467204 = 65503^2 + 1056802^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121121110213 - 2³² = 1116826142917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121121110191 and 1121121110200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121110203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808438 + ... + 2347911.

It is an arithmetic number, because the mean of its divisors is an integer number (150927459375).

Almost surely, 2^{1121121110213} is an apocalyptic number.

1121121110213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1121121110213 is a deficient number, since it is larger than the sum of its proper divisors (86298564787).

1121121110213 is a wasteful number, since it uses less digits than its factorization.

1121121110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177111.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1121121110213 its reverse (3120111211211), we get a palindrome (4241232321424).

The spelling of 1121121110213 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred ten thousand, two hundred thirteen".