1213100011113 has 8 divisors (see below), whose sum is σ = 1669643026176. Its totient is φ = 782645168400.

The previous prime is 1213100011031. The next prime is 1213100011121. The reversal of 1213100011113 is 3111100013121.

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

It is not a de Polignac number, because 1213100011113 - 2¹² = 1213100007017 is a prime.

It is a super-2 number, since 2×1213100011113² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213100011092 and 1213100011101.

It is not an unprimeable number, because it can be changed into a prime (1213100011153) 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, 6522042978 + ... + 6522043163.

It is an arithmetic number, because the mean of its divisors is an integer number (208705378272).

Almost surely, 2^{1213100011113} is an apocalyptic number.

It is an amenable number.

1213100011113 is a deficient number, since it is larger than the sum of its proper divisors (456543015063).

1213100011113 is a wasteful number, since it uses less digits than its factorization.

1213100011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044086175.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1213100011113 its reverse (3111100013121), we get a palindrome (4324200024234).

The spelling of 1213100011113 in words is "one trillion, two hundred thirteen billion, one hundred million, eleven thousand, one hundred thirteen".