121020203042201 has 8 divisors (see below), whose sum is σ = 122756830046784. Its totient is φ = 119294133041200.

The previous prime is 121020203042197. The next prime is 121020203042269. The reversal of 121020203042201 is 102240302020121.

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

It is a cyclic number.

It is not a de Polignac number, because 121020203042201 - 2² = 121020203042197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121020203042801) 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, 2639227805 + ... + 2639273658.

It is an arithmetic number, because the mean of its divisors is an integer number (15344603755848).

Almost surely, 2^{121020203042201} is an apocalyptic number.

It is an amenable number.

121020203042201 is a deficient number, since it is larger than the sum of its proper divisors (1736627004583).

121020203042201 is a wasteful number, since it uses less digits than its factorization.

121020203042201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278501791.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121020203042201 its reverse (102240302020121), we get a palindrome (223260505062322).

The spelling of 121020203042201 in words is "one hundred twenty-one trillion, twenty billion, two hundred three million, forty-two thousand, two hundred one".