121010220102201 has 16 divisors (see below), whose sum is σ = 168366621340800. Its totient is φ = 77163840131840.

The previous prime is 121010220102199. The next prime is 121010220102259. The reversal of 121010220102201 is 102201022010121.

It is a cyclic number.

It is not a de Polignac number, because 121010220102201 - 2¹ = 121010220102199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121010220102701) 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, 21274176 + ... + 26355473.

It is an arithmetic number, because the mean of its divisors is an integer number (10522913833800).

Almost surely, 2^{121010220102201} is an apocalyptic number.

It is an amenable number.

121010220102201 is a deficient number, since it is larger than the sum of its proper divisors (47356401238599).

121010220102201 is a wasteful number, since it uses less digits than its factorization.

121010220102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47666496.

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

Adding to 121010220102201 its reverse (102201022010121), we get a palindrome (223211242112322).

The spelling of 121010220102201 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty million, one hundred two thousand, two hundred one".