1121213110023 has 24 divisors (see below), whose sum is σ = 1710792462080. Its totient is φ = 705632322960.

The previous prime is 1121213110019. The next prime is 1121213110033. The reversal of 1121213110023 is 3200113121211.

It is not a de Polignac number, because 1121213110023 - 2² = 1121213110019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121213109978 and 1121213110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121213110033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11536063 + ... + 11632848.

Almost surely, 2^{1121213110023} is an apocalyptic number.

1121213110023 is a deficient number, since it is larger than the sum of its proper divisors (589579352057).

1121213110023 is a wasteful number, since it uses less digits than its factorization.

1121213110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169219 (or 23169216 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1121213110023 its reverse (3200113121211), we get a palindrome (4321326231234).

The spelling of 1121213110023 in words is "one trillion, one hundred twenty-one billion, two hundred thirteen million, one hundred ten thousand, twenty-three".