1101121212023 has 4 divisors (see below), whose sum is σ = 1258424242320. Its totient is φ = 943818181728.

The previous prime is 1101121212013. The next prime is 1101121212049. The reversal of 1101121212023 is 3202121211011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1101121212023 - 2¹⁶ = 1101121146487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101121211992 and 1101121212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101121212013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78651515138 + ... + 78651515151.

It is an arithmetic number, because the mean of its divisors is an integer number (314606060580).

Almost surely, 2^{1101121212023} is an apocalyptic number.

1101121212023 is a deficient number, since it is larger than the sum of its proper divisors (157303030297).

1101121212023 is an equidigital number, since it uses as much as digits as its factorization.

1101121212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157303030296.

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

Adding to 1101121212023 its reverse (3202121211011), we get a palindrome (4303242423034).

The spelling of 1101121212023 in words is "one trillion, one hundred one billion, one hundred twenty-one million, two hundred twelve thousand, twenty-three".