111120220202123 has 32 divisors (see below), whose sum is σ = 128853233932800. Its totient is φ = 94763500819200.

The previous prime is 111120220202119. The next prime is 111120220202141. The reversal of 111120220202123 is 321202022021111.

It is a cyclic number.

It is not a de Polignac number, because 111120220202123 - 2² = 111120220202119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120220202095 and 111120220202104.

It is not an unprimeable number, because it can be changed into a prime (111120220202183) 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, 232015583 + ... + 232494023.

It is an arithmetic number, because the mean of its divisors is an integer number (4026663560400).

Almost surely, 2^{111120220202123} is an apocalyptic number.

111120220202123 is a deficient number, since it is larger than the sum of its proper divisors (17733013730677).

111120220202123 is a wasteful number, since it uses less digits than its factorization.

111120220202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489363.

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

Adding to 111120220202123 its reverse (321202022021111), we get a palindrome (432322242223234).

The spelling of 111120220202123 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty million, two hundred two thousand, one hundred twenty-three".