1101111120123 has 16 divisors (see below), whose sum is σ = 1679116486656. Its totient is φ = 628744026240.

The previous prime is 1101111120107. The next prime is 1101111120127. The reversal of 1101111120123 is 3210211111011.

It is not a de Polignac number, because 1101111120123 - 2⁴ = 1101111120107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101111120127) 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, 19234411 + ... + 19291572.

It is an arithmetic number, because the mean of its divisors is an integer number (104944780416).

Almost surely, 2^{1101111120123} is an apocalyptic number.

1101111120123 is a deficient number, since it is larger than the sum of its proper divisors (578005366533).

1101111120123 is a wasteful number, since it uses less digits than its factorization.

1101111120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38527354.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1101111120123 its reverse (3210211111011), we get a palindrome (4311322231134).

The spelling of 1101111120123 in words is "one trillion, one hundred one billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-three".