120102121201 has 4 divisors (see below), whose sum is σ = 121747355812. Its totient is φ = 118456886592.

The previous prime is 120102121177. The next prime is 120102121231. The reversal of 120102121201 is 102121201021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33313550400 + 86788570801 = 182520^2 + 294599^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102121201 - 2⁹ = 120102120689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102121231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822617196 + ... + 822617341.

It is an arithmetic number, because the mean of its divisors is an integer number (30436838953).

Almost surely, 2^120102121201 is an apocalyptic number.

It is an amenable number.

120102121201 is a deficient number, since it is larger than the sum of its proper divisors (1645234611).

120102121201 is an equidigital number, since it uses as much as digits as its factorization.

120102121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645234610.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120102121201 its reverse (102121201021), we get a palindrome (222223322222).

The spelling of 120102121201 in words is "one hundred twenty billion, one hundred two million, one hundred twenty-one thousand, two hundred one".