11231121011023 has 8 divisors (see below), whose sum is σ = 11892885827760. Its totient is φ = 10569479598720.

The previous prime is 11231121010913. The next prime is 11231121011039. The reversal of 11231121011023 is 32011012113211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11231121011023 - 2¹³ = 11231121002831 is a prime.

It is a super-2 number, since 2×11231121011023² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231121011323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30663693 + ... + 31027798.

It is an arithmetic number, because the mean of its divisors is an integer number (1486610728470).

Almost surely, 2^{11231121011023} is an apocalyptic number.

11231121011023 is a deficient number, since it is larger than the sum of its proper divisors (661764816737).

11231121011023 is a wasteful number, since it uses less digits than its factorization.

11231121011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61702217.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11231121011023 its reverse (32011012113211), we get a palindrome (43242133124234).

The spelling of 11231121011023 in words is "eleven trillion, two hundred thirty-one billion, one hundred twenty-one million, eleven thousand, twenty-three".