111332543202123 has 16 divisors (see below), whose sum is σ = 149409557292576. Its totient is φ = 73739233624320.

The previous prime is 111332543202121. The next prime is 111332543202311. The reversal of 111332543202123 is 321202345233111.

It is a happy number.

It is not a de Polignac number, because 111332543202123 - 2¹ = 111332543202121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111332543202121) 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, 76949290 + ... + 78382767.

It is an arithmetic number, because the mean of its divisors is an integer number (9338097330786).

Almost surely, 2^{111332543202123} is an apocalyptic number.

111332543202123 is a deficient number, since it is larger than the sum of its proper divisors (38077014090453).

111332543202123 is a wasteful number, since it uses less digits than its factorization.

111332543202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155333614.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 111332543202123 its reverse (321202345233111), we get a palindrome (432534888435234).

The spelling of 111332543202123 in words is "one hundred eleven trillion, three hundred thirty-two billion, five hundred forty-three million, two hundred two thousand, one hundred twenty-three".