121102012020201 has 16 divisors (see below), whose sum is σ = 161490898888704. Its totient is φ = 80723900482704.

The previous prime is 121102012020179. The next prime is 121102012020229. The reversal of 121102012020201 is 102020210201121.

It is not a de Polignac number, because 121102012020201 - 2³⁰ = 121100938278377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102012028201) 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, 1476686740 + ... + 1476768746.

It is an arithmetic number, because the mean of its divisors is an integer number (10093181180544).

Almost surely, 2^{121102012020201} is an apocalyptic number.

It is an amenable number.

121102012020201 is a deficient number, since it is larger than the sum of its proper divisors (40388886868503).

121102012020201 is an equidigital number, since it uses as much as digits as its factorization.

121102012020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141700.

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

Adding to 121102012020201 its reverse (102020210201121), we get a palindrome (223122222221322).

The spelling of 121102012020201 in words is "one hundred twenty-one trillion, one hundred two billion, twelve million, twenty thousand, two hundred one".