120102201200121 has 64 divisors (see below), whose sum is σ = 195311843868672. Its totient is φ = 64081653092352.

The previous prime is 120102201200099. The next prime is 120102201200141. The reversal of 120102201200121 is 121002102201021.

It is not a de Polignac number, because 120102201200121 - 2⁷ = 120102201199993 is a prime.

It is a super-2 number, since 2×120102201200121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120102201200121.

It is not an unprimeable number, because it can be changed into a prime (120102201200141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1985228545 + ... + 1985289041.

It is an arithmetic number, because the mean of its divisors is an integer number (3051747560448).

Almost surely, 2^{120102201200121} is an apocalyptic number.

It is an amenable number.

120102201200121 is a deficient number, since it is larger than the sum of its proper divisors (75209642668551).

120102201200121 is a wasteful number, since it uses less digits than its factorization.

120102201200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104438.

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

Adding to 120102201200121 its reverse (121002102201021), we get a palindrome (241104303401142).

The spelling of 120102201200121 in words is "one hundred twenty trillion, one hundred two billion, two hundred one million, two hundred thousand, one hundred twenty-one".