121210120110201 has 8 divisors (see below), whose sum is σ = 163123899961824. Its totient is φ = 80051543499360.

The previous prime is 121210120110173. The next prime is 121210120110251. The reversal of 121210120110201 is 102011021012121.

It is a happy number.

121210120110201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 121210120110201 - 2¹⁴ = 121210120093817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121210120110251) 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, 188800809820 + ... + 188800810461.

It is an arithmetic number, because the mean of its divisors is an integer number (20390487495228).

Almost surely, 2^{121210120110201} is an apocalyptic number.

It is an amenable number.

121210120110201 is a deficient number, since it is larger than the sum of its proper divisors (41913779851623).

121210120110201 is a wasteful number, since it uses less digits than its factorization.

121210120110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377601620391.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121210120110201 its reverse (102011021012121), we get a palindrome (223221141122322).

The spelling of 121210120110201 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, one hundred ten thousand, two hundred one".