9012121220101 has 16 divisors (see below), whose sum is σ = 10045757237760. Its totient is φ = 8034545364480.

The previous prime is 9012121220099. The next prime is 9012121220209. The reversal of 9012121220101 is 1010221212109.

It is a cyclic number.

It is not a de Polignac number, because 9012121220101 - 2¹ = 9012121220099 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 (9012121220801) 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, 740236 + ... + 4309546.

It is an arithmetic number, because the mean of its divisors is an integer number (627859827360).

Almost surely, 2^{9012121220101} is an apocalyptic number.

It is an amenable number.

9012121220101 is a deficient number, since it is larger than the sum of its proper divisors (1033636017659).

9012121220101 is a wasteful number, since it uses less digits than its factorization.

9012121220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577164.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 9012121220101 in words is "nine trillion, twelve billion, one hundred twenty-one million, two hundred twenty thousand, one hundred one".