121301113310221 has 8 divisors (see below), whose sum is σ = 132471855057024. Its totient is φ = 110393212545840.

The previous prime is 121301113310197. The next prime is 121301113310243. The reversal of 121301113310221 is 122013311103121.

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 121301113310221 - 2⁷ = 121301113310093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121301113310192 and 121301113310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301113311221) 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, 65710244641 + ... + 65710246486.

It is an arithmetic number, because the mean of its divisors is an integer number (16558981882128).

Almost surely, 2^{121301113310221} is an apocalyptic number.

It is an amenable number.

121301113310221 is a deficient number, since it is larger than the sum of its proper divisors (11170741746803).

121301113310221 is a wasteful number, since it uses less digits than its factorization.

121301113310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131420491211.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121301113310221 its reverse (122013311103121), we get a palindrome (243314424413342).

The spelling of 121301113310221 in words is "one hundred twenty-one trillion, three hundred one billion, one hundred thirteen million, three hundred ten thousand, two hundred twenty-one".