122111102523 has 8 divisors (see below), whose sum is σ = 165244875328. Its totient is φ = 80192365704.

The previous prime is 122111102501. The next prime is 122111102539. The reversal of 122111102523 is 325201111221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122111102523 is a prime.

It is a super-2 number, since 2×122111102523² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122111102523.

It is not an unprimeable number, because it can be changed into a prime (122111102543) 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, 303758761 + ... + 303759162.

It is an arithmetic number, because the mean of its divisors is an integer number (20655609416).

Almost surely, 2^122111102523 is an apocalyptic number.

122111102523 is a deficient number, since it is larger than the sum of its proper divisors (43133772805).

122111102523 is an equidigital number, since it uses as much as digits as its factorization.

122111102523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607517993.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 122111102523 its reverse (325201111221), we get a palindrome (447312213744).

The spelling of 122111102523 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, five hundred twenty-three".