121020221002101 has 8 divisors (see below), whose sum is σ = 161360383521120. Its totient is φ = 80680102908912.

The previous prime is 121020221002069. The next prime is 121020221002111. The reversal of 121020221002101 is 101200122020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121020221002101 - 2⁵ = 121020221002069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020221002111) 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, 4122931 + ... + 16094688.

It is an arithmetic number, because the mean of its divisors is an integer number (20170047940140).

Almost surely, 2^{121020221002101} is an apocalyptic number.

It is an amenable number.

121020221002101 is a deficient number, since it is larger than the sum of its proper divisors (40340162519019).

121020221002101 is a wasteful number, since it uses less digits than its factorization.

121020221002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212915.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121020221002101 its reverse (101200122020121), we get a palindrome (222220343022222).

The spelling of 121020221002101 in words is "one hundred twenty-one trillion, twenty billion, two hundred twenty-one million, two thousand, one hundred one".