1122023211101 has 4 divisors (see below), whose sum is σ = 1208332688892. Its totient is φ = 1035713733312.

The previous prime is 1122023211077. The next prime is 1122023211109. The reversal of 1122023211101 is 1011123202211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106465164100 + 1015558047001 = 326290^2 + 1007749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122023211101 - 2¹⁸ = 1122022948957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122023211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122023211109) 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, 43154738876 + ... + 43154738901.

It is an arithmetic number, because the mean of its divisors is an integer number (302083172223).

Almost surely, 2^{1122023211101} is an apocalyptic number.

It is an amenable number.

1122023211101 is a deficient number, since it is larger than the sum of its proper divisors (86309477791).

1122023211101 is an equidigital number, since it uses as much as digits as its factorization.

1122023211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86309477790.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1122023211101 its reverse (1011123202211), we get a palindrome (2133146413312).

The spelling of 1122023211101 in words is "one trillion, one hundred twenty-two billion, twenty-three million, two hundred eleven thousand, one hundred one".