1121121100023 has 16 divisors (see below), whose sum is σ = 1496163674880. Its totient is φ = 746746556864.

The previous prime is 1121121099979. The next prime is 1121121100063. The reversal of 1121121100023 is 3200011211211.

It is a cyclic number.

It is not a de Polignac number, because 1121121100023 - 2²⁶ = 1121053991159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121121099975 and 1121121100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121100063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18732715 + ... + 18792467.

It is an arithmetic number, because the mean of its divisors is an integer number (93510229680).

Almost surely, 2^{1121121100023} is an apocalyptic number.

1121121100023 is a deficient number, since it is larger than the sum of its proper divisors (375042574857).

1121121100023 is a wasteful number, since it uses less digits than its factorization.

1121121100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65238.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1121121100023 its reverse (3200011211211), we get a palindrome (4321132311234).

The spelling of 1121121100023 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, twenty-three".