121001323032101 has 16 divisors (see below), whose sum is σ = 122944271083200. Its totient is φ = 119070140978688.

The previous prime is 121001323032077. The next prime is 121001323032173. The reversal of 121001323032101 is 101230323100121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121001323032101 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 (121001323032001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91531910 + ... + 92844456.

It is an arithmetic number, because the mean of its divisors is an integer number (7684016942700).

Almost surely, 2^{121001323032101} is an apocalyptic number.

It is an amenable number.

121001323032101 is a deficient number, since it is larger than the sum of its proper divisors (1942948051099).

121001323032101 is a wasteful number, since it uses less digits than its factorization.

121001323032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317028.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121001323032101 its reverse (101230323100121), we get a palindrome (222231646132222).

The spelling of 121001323032101 in words is "one hundred twenty-one trillion, one billion, three hundred twenty-three million, thirty-two thousand, one hundred one".