1211310101113 has 8 divisors (see below), whose sum is σ = 1384708759232. Its totient is φ = 1038000032496.

The previous prime is 1211310101039. The next prime is 1211310101149. The reversal of 1211310101113 is 3111010131121.

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

It is not a de Polignac number, because 1211310101113 - 2³³ = 1202720166521 is a prime.

It is a super-2 number, since 2×1211310101113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211311101113) 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, 22118070 + ... + 22172767.

It is an arithmetic number, because the mean of its divisors is an integer number (173088594904).

Almost surely, 2^{1211310101113} is an apocalyptic number.

It is an amenable number.

1211310101113 is a deficient number, since it is larger than the sum of its proper divisors (173398658119).

1211310101113 is an equidigital number, since it uses as much as digits as its factorization.

1211310101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44294751.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1211310101113 its reverse (3111010131121), we get a palindrome (4322320232234).

The spelling of 1211310101113 in words is "one trillion, two hundred eleven billion, three hundred ten million, one hundred one thousand, one hundred thirteen".