1121210212213 has 8 divisors (see below), whose sum is σ = 1379951030528. Its totient is φ = 887111376624.

The previous prime is 1121210212201. The next prime is 1121210212237. The reversal of 1121210212213 is 3122120121211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121210212213 is a prime.

It is a super-2 number, since 2×1121210212213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121210212273) 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, 6160495581 + ... + 6160495762.

It is an arithmetic number, because the mean of its divisors is an integer number (172493878816).

Almost surely, 2^{1121210212213} is an apocalyptic number.

1121210212213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1121210212213 is a deficient number, since it is larger than the sum of its proper divisors (258740818315).

1121210212213 is a wasteful number, since it uses less digits than its factorization.

1121210212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320991363.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1121210212213 its reverse (3122120121211), we get a palindrome (4243330333424).

The spelling of 1121210212213 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, two hundred thirteen".