121221102201011 has 8 divisors (see below), whose sum is σ = 122333485953360. Its totient is φ = 120108723240672.

The previous prime is 121221102200953. The next prime is 121221102201097. The reversal of 121221102201011 is 110102201122121.

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 121221102201011 - 2¹⁰ = 121221102199987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121221102207011) 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, 67749056 + ... + 69515298.

It is an arithmetic number, because the mean of its divisors is an integer number (15291685744170).

Almost surely, 2^{121221102201011} is an apocalyptic number.

121221102201011 is a deficient number, since it is larger than the sum of its proper divisors (1112383752349).

121221102201011 is a wasteful number, since it uses less digits than its factorization.

121221102201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396005.

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

Adding to 121221102201011 its reverse (110102201122121), we get a palindrome (231323303323132).

The spelling of 121221102201011 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, one hundred two million, two hundred one thousand, eleven".