121120201020121 has 8 divisors (see below), whose sum is σ = 126656931196224. Its totient is φ = 115606023717360.

The previous prime is 121120201020101. The next prime is 121120201020199. The reversal of 121120201020121 is 121020102021121.

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 121120201020121 - 2⁴¹ = 118921177764569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121120201020095 and 121120201020104.

It is not an unprimeable number, because it can be changed into a prime (121120201020101) 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, 5638207350 + ... + 5638228831.

It is an arithmetic number, because the mean of its divisors is an integer number (15832116399528).

Almost surely, 2^{121120201020121} is an apocalyptic number.

It is an amenable number.

121120201020121 is a deficient number, since it is larger than the sum of its proper divisors (5536730176103).

121120201020121 is a wasteful number, since it uses less digits than its factorization.

121120201020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276436671.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121120201020121 its reverse (121020102021121), we get a palindrome (242140303041242).

The spelling of 121120201020121 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred one million, twenty thousand, one hundred twenty-one".