121101221201 has 8 divisors (see below), whose sum is σ = 126394090944. Its totient is φ = 115810651440.

The previous prime is 121101221183. The next prime is 121101221239. The reversal of 121101221201 is 102122101121.

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 121101221201 - 2²⁶ = 121034112337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466955 + ... + 678416.

It is an arithmetic number, because the mean of its divisors is an integer number (15799261368).

Almost surely, 2^121101221201 is an apocalyptic number.

It is an amenable number.

121101221201 is a deficient number, since it is larger than the sum of its proper divisors (5292869743).

121101221201 is a wasteful number, since it uses less digits than its factorization.

121101221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149991.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121101221201 its reverse (102122101121), we get a palindrome (223223322322).

The spelling of 121101221201 in words is "one hundred twenty-one billion, one hundred one million, two hundred twenty-one thousand, two hundred one".