120112202121 has 16 divisors (see below), whose sum is σ = 164529808704. Its totient is φ = 77886062784.

The previous prime is 120112202113. The next prime is 120112202129. The reversal of 120112202121 is 121202211021.

It is an interprime number because it is at equal distance from previous prime (120112202113) and next prime (120112202129).

It is not a de Polignac number, because 120112202121 - 2³ = 120112202113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120112202121.

It is not an unprimeable number, because it can be changed into a prime (120112202129) 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, 186615 + ... + 524451.

It is an arithmetic number, because the mean of its divisors is an integer number (10283113044).

Almost surely, 2^120112202121 is an apocalyptic number.

It is an amenable number.

120112202121 is a deficient number, since it is larger than the sum of its proper divisors (44417606583).

120112202121 is a wasteful number, since it uses less digits than its factorization.

120112202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341080.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120112202121 its reverse (121202211021), we get a palindrome (241314413142).

The spelling of 120112202121 in words is "one hundred twenty billion, one hundred twelve million, two hundred two thousand, one hundred twenty-one".