121003201 has 4 divisors (see below), whose sum is σ = 132003504. Its totient is φ = 110002900.

The previous prime is 121003123. The next prime is 121003231. The reversal of 121003201 is 102300121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121003201 - 2⁷ = 121003073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121003231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500135 + ... + 5500156.

It is an arithmetic number, because the mean of its divisors is an integer number (33000876).

Almost surely, 2^121003201 is an apocalyptic number.

121003201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121003201 is a deficient number, since it is larger than the sum of its proper divisors (11000303).

121003201 is a wasteful number, since it uses less digits than its factorization.

121003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000302.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 121003201 is about 11000.1454990377. The cubic root of 121003201 is about 494.6131058362.

Adding to 121003201 its reverse (102300121), we get a palindrome (223303322).

The spelling of 121003201 in words is "one hundred twenty-one million, three thousand, two hundred one".