1131201022023 has 32 divisors (see below), whose sum is σ = 1682884454400. Its totient is φ = 750972837600.

The previous prime is 1131201022001. The next prime is 1131201022037. The reversal of 1131201022023 is 3202201021311.

It is not a de Polignac number, because 1131201022023 - 2⁵ = 1131201021991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131201021987 and 1131201022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131209022023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14881453 + ... + 14957273.

It is an arithmetic number, because the mean of its divisors is an integer number (52590139200).

Almost surely, 2^{1131201022023} is an apocalyptic number.

1131201022023 is a deficient number, since it is larger than the sum of its proper divisors (551683432377).

1131201022023 is a wasteful number, since it uses less digits than its factorization.

1131201022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78140 (or 78134 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1131201022023 its reverse (3202201021311), we get a palindrome (4333402043334).

The spelling of 1131201022023 in words is "one trillion, one hundred thirty-one billion, two hundred one million, twenty-two thousand, twenty-three".