121210001022101 has 8 divisors (see below), whose sum is σ = 125155038974208. Its totient is φ = 117267152940000.

The previous prime is 121210001022079. The next prime is 121210001022113. The reversal of 121210001022101 is 101220100012121.

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 121210001022101 - 2⁶ = 121210001022037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210001022151) 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, 547355000 + ... + 547576401.

It is an arithmetic number, because the mean of its divisors is an integer number (15644379871776).

Almost surely, 2^{121210001022101} is an apocalyptic number.

It is an amenable number.

121210001022101 is a deficient number, since it is larger than the sum of its proper divisors (3945037952107).

121210001022101 is a wasteful number, since it uses less digits than its factorization.

121210001022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094935003.

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

Adding to 121210001022101 its reverse (101220100012121), we get a palindrome (222430101034222).

The spelling of 121210001022101 in words is "one hundred twenty-one trillion, two hundred ten billion, one million, twenty-two thousand, one hundred one".