121103121201 has 8 divisors (see below), whose sum is σ = 161473727520. Its totient is φ = 80733964512.

The previous prime is 121103121193. The next prime is 121103121211. The reversal of 121103121201 is 102121301121.

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

It is not a de Polignac number, because 121103121201 - 2³ = 121103121193 is a prime.

It is a super-4 number, since 4×121103121201⁴ (a number of 45 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121103121211) 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, 149631 + ... + 514388.

It is an arithmetic number, because the mean of its divisors is an integer number (20184215940).

Almost surely, 2^121103121201 is an apocalyptic number.

It is an amenable number.

121103121201 is a deficient number, since it is larger than the sum of its proper divisors (40370606319).

121103121201 is an equidigital number, since it uses as much as digits as its factorization.

121103121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724815.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121103121201 its reverse (102121301121), we get a palindrome (223224422322).

The spelling of 121103121201 in words is "one hundred twenty-one billion, one hundred three million, one hundred twenty-one thousand, two hundred one".