1213313101101 has 32 divisors (see below), whose sum is σ = 1820166205440. Its totient is φ = 798718968000.

The previous prime is 1213313101087. The next prime is 1213313101129. The reversal of 1213313101101 is 1011013133121.

1213313101101 is a `hidden beast` number, since 1 + 21 + 331 + 310 + 1 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 1213313101101 - 2⁹ = 1213313100589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213313101151) 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, 420756 + ... + 1613586.

It is an arithmetic number, because the mean of its divisors is an integer number (56880193920).

Almost surely, 2^{1213313101101} is an apocalyptic number.

It is an amenable number.

1213313101101 is a deficient number, since it is larger than the sum of its proper divisors (606853104339).

1213313101101 is a wasteful number, since it uses less digits than its factorization.

1213313101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193314 (or 1193308 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1213313101101 its reverse (1011013133121), we get a palindrome (2224326234222).

The spelling of 1213313101101 in words is "one trillion, two hundred thirteen billion, three hundred thirteen million, one hundred one thousand, one hundred one".