121222020201121 has 8 divisors (see below), whose sum is σ = 139389386945984. Its totient is φ = 103267137278160.

The previous prime is 121222020201083. The next prime is 121222020201151. The reversal of 121222020201121 is 121102020222121.

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 121222020201121 - 2²¹ = 121222018103969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121222020201151) 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, 53120954250 + ... + 53120956531.

It is an arithmetic number, because the mean of its divisors is an integer number (17423673368248).

Almost surely, 2^{121222020201121} is an apocalyptic number.

It is an amenable number.

121222020201121 is a deficient number, since it is larger than the sum of its proper divisors (18167366744863).

121222020201121 is a wasteful number, since it uses less digits than its factorization.

121222020201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106241910951.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121222020201121 its reverse (121102020222121), we get a palindrome (242324040423242).

The spelling of 121222020201121 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twenty million, two hundred one thousand, one hundred twenty-one".