121102020210201 has 16 divisors (see below), whose sum is σ = 169968516157440. Its totient is φ = 76485140626320.

The previous prime is 121102020210181. The next prime is 121102020210217. The reversal of 121102020210201 is 102012020201121.

It is not a de Polignac number, because 121102020210201 - 2⁶ = 121102020210137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102020210701) 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, 8221296 + ... + 17600958.

It is an arithmetic number, because the mean of its divisors is an integer number (10623032259840).

Almost surely, 2^{121102020210201} is an apocalyptic number.

It is an amenable number.

121102020210201 is a deficient number, since it is larger than the sum of its proper divisors (48866495947239).

121102020210201 is a wasteful number, since it uses less digits than its factorization.

121102020210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606196.

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

Adding to 121102020210201 its reverse (102012020201121), we get a palindrome (223114040411322).

The spelling of 121102020210201 in words is "one hundred twenty-one trillion, one hundred two billion, twenty million, two hundred ten thousand, two hundred one".