121120210201 has 16 divisors (see below), whose sum is σ = 123339585600. Its totient is φ = 118925661888.

The previous prime is 121120210187. The next prime is 121120210243. The reversal of 121120210201 is 102012021121.

It is a cyclic number.

It is not a de Polignac number, because 121120210201 - 2¹³ = 121120202009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121120210291) 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, 5706130 + ... + 5727316.

It is an arithmetic number, because the mean of its divisors is an integer number (7708724100).

Almost surely, 2^121120210201 is an apocalyptic number.

It is an amenable number.

121120210201 is a deficient number, since it is larger than the sum of its proper divisors (2219375399).

121120210201 is a wasteful number, since it uses less digits than its factorization.

121120210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21768.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121120210201 its reverse (102012021121), we get a palindrome (223132231322).

The spelling of 121120210201 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, two hundred one".