9021012101121 has 4 divisors (see below), whose sum is σ = 12028016134832. Its totient is φ = 6014008067412.

The previous prime is 9021012101047. The next prime is 9021012101131. The reversal of 9021012101121 is 1211012101209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9021012101121 - 2¹⁵ = 9021012068353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9021012101131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503502016851 + ... + 1503502016856.

It is an arithmetic number, because the mean of its divisors is an integer number (3007004033708).

Almost surely, 2^{9021012101121} is an apocalyptic number.

It is an amenable number.

9021012101121 is a deficient number, since it is larger than the sum of its proper divisors (3007004033711).

9021012101121 is a wasteful number, since it uses less digits than its factorization.

9021012101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007004033710.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 9021012101121 in words is "nine trillion, twenty-one billion, twelve million, one hundred one thousand, one hundred twenty-one".