120201111123 has 8 divisors (see below), whose sum is σ = 164599719888. Its totient is φ = 77968288224.

The previous prime is 120201111119. The next prime is 120201111127. The reversal of 120201111123 is 321111102021.

It is an interprime number because it is at equal distance from previous prime (120201111119) and next prime (120201111127).

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

It is not a de Polignac number, because 120201111123 - 2² = 120201111119 is a prime.

It is a super-2 number, since 2×120201111123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120201111127) 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, 541446336 + ... + 541446557.

It is an arithmetic number, because the mean of its divisors is an integer number (20574964986).

Almost surely, 2^120201111123 is an apocalyptic number.

120201111123 is a deficient number, since it is larger than the sum of its proper divisors (44398608765).

120201111123 is a wasteful number, since it uses less digits than its factorization.

120201111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082892933.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120201111123 its reverse (321111102021), we get a palindrome (441312213144).

The spelling of 120201111123 in words is "one hundred twenty billion, two hundred one million, one hundred eleven thousand, one hundred twenty-three".