1213133022101 has 32 divisors (see below), whose sum is σ = 1629456998400. Its totient is φ = 872242994880.

The previous prime is 1213133022091. The next prime is 1213133022107. The reversal of 1213133022101 is 1012203313121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1213133022101 - 2¹⁴ = 1213133005717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213133022107) 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, 2346620 + ... + 2816538.

It is an arithmetic number, because the mean of its divisors is an integer number (50920531200).

Almost surely, 2^{1213133022101} is an apocalyptic number.

1213133022101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1213133022101 is a deficient number, since it is larger than the sum of its proper divisors (416323976299).

1213133022101 is a wasteful number, since it uses less digits than its factorization.

1213133022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472529.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213133022101 its reverse (1012203313121), we get a palindrome (2225336335222).

The spelling of 1213133022101 in words is "one trillion, two hundred thirteen billion, one hundred thirty-three million, twenty-two thousand, one hundred one".