121120101210221 has 8 divisors (see below), whose sum is σ = 127526613916320. Its totient is φ = 114716765557872.

The previous prime is 121120101210217. The next prime is 121120101210253. The reversal of 121120101210221 is 122012101021121.

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 121120101210221 - 2² = 121120101210217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121120101210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120101210211) 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, 794185175 + ... + 794337668.

It is an arithmetic number, because the mean of its divisors is an integer number (15940826739540).

Almost surely, 2^{121120101210221} is an apocalyptic number.

It is an amenable number.

121120101210221 is a deficient number, since it is larger than the sum of its proper divisors (6406512706099).

121120101210221 is a wasteful number, since it uses less digits than its factorization.

121120101210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588526875.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121120101210221 its reverse (122012101021121), we get a palindrome (243132202231342).

The spelling of 121120101210221 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred one million, two hundred ten thousand, two hundred twenty-one".