121100120201 has 8 divisors (see below), whose sum is σ = 122135269824. Its totient is φ = 120068038800.

The previous prime is 121100120189. The next prime is 121100120231. The reversal of 121100120201 is 102021001121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121100120201 is a prime.

It is a super-2 number, since 2×121100120201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687746 + ... + 845691.

It is an arithmetic number, because the mean of its divisors is an integer number (15266908728).

Almost surely, 2^121100120201 is an apocalyptic number.

It is an amenable number.

121100120201 is a deficient number, since it is larger than the sum of its proper divisors (1035149623).

121100120201 is a wasteful number, since it uses less digits than its factorization.

121100120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534111.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121100120201 its reverse (102021001121), we get a palindrome (223121121322).

The spelling of 121100120201 in words is "one hundred twenty-one billion, one hundred million, one hundred twenty thousand, two hundred one".