120101211123 has 8 divisors (see below), whose sum is σ = 164462919888. Its totient is φ = 77903488224.

The previous prime is 120101211107. The next prime is 120101211133. The reversal of 120101211123 is 321112101021.

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

It is not a de Polignac number, because 120101211123 - 2⁴ = 120101211107 is a prime.

It is a super-2 number, since 2×120101211123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120101211133) 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, 540996336 + ... + 540996557.

It is an arithmetic number, because the mean of its divisors is an integer number (20557864986).

Almost surely, 2^120101211123 is an apocalyptic number.

120101211123 is a deficient number, since it is larger than the sum of its proper divisors (44361708765).

120101211123 is a wasteful number, since it uses less digits than its factorization.

120101211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081992933.

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

Adding to 120101211123 its reverse (321112101021), we get a palindrome (441213312144).

The spelling of 120101211123 in words is "one hundred twenty billion, one hundred one million, two hundred eleven thousand, one hundred twenty-three".