121115201 has 8 divisors (see below), whose sum is σ = 122732544. Its totient is φ = 119508480.

The previous prime is 121115179. The next prime is 121115207. The reversal of 121115201 is 102511121.

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 121115201 - 2²² = 116920897 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 (121115207) 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, 21761 + ... + 26753.

It is an arithmetic number, because the mean of its divisors is an integer number (15341568).

Almost surely, 2^121115201 is an apocalyptic number.

It is an amenable number.

121115201 is a deficient number, since it is larger than the sum of its proper divisors (1617343).

121115201 is a wasteful number, since it uses less digits than its factorization.

121115201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 121115201 is about 11005.2351633211. The cubic root of 121115201 is about 494.7656626407.

Adding to 121115201 its reverse (102511121), we get a palindrome (223626322).

The spelling of 121115201 in words is "one hundred twenty-one million, one hundred fifteen thousand, two hundred one".