120202121123 has 8 divisors (see below), whose sum is σ = 139112762880. Its totient is φ = 101726206920.

The previous prime is 120202121101. The next prime is 120202121147. The reversal of 120202121123 is 321121202021.

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

It is a cyclic number.

It is not a de Polignac number, because 120202121123 - 2⁶ = 120202121059 is a prime.

It is a super-2 number, since 2×120202121123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120202121183) 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, 108681293 + ... + 108682398.

It is an arithmetic number, because the mean of its divisors is an integer number (17389095360).

Almost surely, 2^120202121123 is an apocalyptic number.

120202121123 is a deficient number, since it is larger than the sum of its proper divisors (18910641757).

120202121123 is an equidigital number, since it uses as much as digits as its factorization.

120202121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217363777.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120202121123 its reverse (321121202021), we get a palindrome (441323323144).

The spelling of 120202121123 in words is "one hundred twenty billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty-three".