1123211100101 has 4 divisors (see below), whose sum is σ = 1123320981312. Its totient is φ = 1123101218892.

The previous prime is 1123211100031. The next prime is 1123211100127. The reversal of 1123211100101 is 1010011123211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123211100101 - 2¹⁴ = 1123211083717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123211100161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54925271 + ... + 54945716.

It is an arithmetic number, because the mean of its divisors is an integer number (280830245328).

Almost surely, 2^{1123211100101} is an apocalyptic number.

It is an amenable number.

1123211100101 is a deficient number, since it is larger than the sum of its proper divisors (109881211).

1123211100101 is a wasteful number, since it uses less digits than its factorization.

1123211100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109881210.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1123211100101 its reverse (1010011123211), we get a palindrome (2133222223312).

The spelling of 1123211100101 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, one hundred thousand, one hundred one".