111212012022023 has 16 divisors (see below), whose sum is σ = 128517000274944. Its totient is φ = 95111547404160.

The previous prime is 111212012021911. The next prime is 111212012022037. The reversal of 111212012022023 is 320220210212111.

It is a cyclic number.

It is not a de Polignac number, because 111212012022023 - 2¹² = 111212012017927 is a prime.

It is a super-2 number, since 2×111212012022023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111212012021986 and 111212012022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212012022053) 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, 134321465 + ... + 135146882.

It is an arithmetic number, because the mean of its divisors is an integer number (8032312517184).

Almost surely, 2^{111212012022023} is an apocalyptic number.

111212012022023 is a deficient number, since it is larger than the sum of its proper divisors (17304988252921).

111212012022023 is a wasteful number, since it uses less digits than its factorization.

111212012022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269470582.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111212012022023 its reverse (320220210212111), we get a palindrome (431432222234134).

The spelling of 111212012022023 in words is "one hundred eleven trillion, two hundred twelve billion, twelve million, twenty-two thousand, twenty-three".