9012021111111 has 32 divisors (see below), whose sum is σ = 12465982077120. Its totient is φ = 5784229785600.

The previous prime is 9012021111109. The next prime is 9012021111131. The reversal of 9012021111111 is 1111111202109.

It is a happy number.

It is not a de Polignac number, because 9012021111111 - 2¹ = 9012021111109 is a prime.

It is a super-2 number, since 2×9012021111111² (a number of 27 digits) contains 22 as substring.

9012021111111 is a modest number, since divided by 1111111 gives 901202 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012021111131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201855351 + ... + 201899991.

It is an arithmetic number, because the mean of its divisors is an integer number (389561939910).

Almost surely, 2^{9012021111111} is an apocalyptic number.

9012021111111 is a deficient number, since it is larger than the sum of its proper divisors (3453960966009).

9012021111111 is a wasteful number, since it uses less digits than its factorization.

9012021111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51267.

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 9012021111111 in words is "nine trillion, twelve billion, twenty-one million, one hundred eleven thousand, one hundred eleven".