110131120021123 has 4 divisors (see below), whose sum is σ = 110131158569080. Its totient is φ = 110131081473168.

The previous prime is 110131120021079. The next prime is 110131120021141. The reversal of 110131120021123 is 321120021131011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110131120021123 is a prime.

It is a super-2 number, since 2×110131120021123² (a number of 29 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 110131120021123.

It is not an unprimeable number, because it can be changed into a prime (110131120022123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14612733 + ... + 20827726.

It is an arithmetic number, because the mean of its divisors is an integer number (27532789642270).

Almost surely, 2^{110131120021123} is an apocalyptic number.

110131120021123 is a deficient number, since it is larger than the sum of its proper divisors (38547957).

110131120021123 is an equidigital number, since it uses as much as digits as its factorization.

110131120021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38547956.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 110131120021123 its reverse (321120021131011), we get a palindrome (431251141152134).

The spelling of 110131120021123 in words is "one hundred ten trillion, one hundred thirty-one billion, one hundred twenty million, twenty-one thousand, one hundred twenty-three".