9021122001121 has 8 divisors (see below), whose sum is σ = 9241451115624. Its totient is φ = 8800807255680.

The previous prime is 9021122001083. The next prime is 9021122001127. The reversal of 9021122001121 is 1211002211209.

It can be written as a sum of positive squares in 4 ways, for example, as 538698749521 + 8482423251600 = 733961^2 + 2912460^2 .

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 9021122001121 - 2²³ = 9021113612513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9021122001092 and 9021122001101.

It is not an unprimeable number, because it can be changed into a prime (9021122001127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315830 + ... + 4837903.

It is an arithmetic number, because the mean of its divisors is an integer number (1155181389453).

Almost surely, 2^{9021122001121} is an apocalyptic number.

It is an amenable number.

9021122001121 is a deficient number, since it is larger than the sum of its proper divisors (220329114503).

9021122001121 is a wasteful number, since it uses less digits than its factorization.

9021122001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184531.

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

The spelling of 9021122001121 in words is "nine trillion, twenty-one billion, one hundred twenty-two million, one thousand, one hundred twenty-one".