120201220210121 has 8 divisors (see below), whose sum is σ = 126612575133600. Its totient is φ = 113798362777920.

The previous prime is 120201220210111. The next prime is 120201220210153. The reversal of 120201220210121 is 121012022102021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120201220210121 is a prime.

It is a super-2 number, since 2×120201220210121² (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 120201220210121.

It is not an unprimeable number, because it can be changed into a prime (120201220210111) 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, 2124343775 + ... + 2124400356.

It is an arithmetic number, because the mean of its divisors is an integer number (15826571891700).

Almost surely, 2^{120201220210121} is an apocalyptic number.

It is an amenable number.

120201220210121 is a deficient number, since it is larger than the sum of its proper divisors (6411354923479).

120201220210121 is a wasteful number, since it uses less digits than its factorization.

120201220210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248745639.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120201220210121 its reverse (121012022102021), we get a palindrome (241213242312142).

The spelling of 120201220210121 in words is "one hundred twenty trillion, two hundred one billion, two hundred twenty million, two hundred ten thousand, one hundred twenty-one".