9212020020011 has 16 divisors (see below), whose sum is σ = 9540306468000. Its totient is φ = 8884445084928.

The previous prime is 9212020020001. The next prime is 9212020020059. The reversal of 9212020020011 is 1100200202129.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9212020020011 - 2²² = 9212015825707 is a prime.

It is a super-2 number, since 2×9212020020011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9212020020001) 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, 220135856 + ... + 220177698.

It is an arithmetic number, because the mean of its divisors is an integer number (596269154250).

Almost surely, 2^{9212020020011} is an apocalyptic number.

9212020020011 is a deficient number, since it is larger than the sum of its proper divisors (328286447989).

9212020020011 is a wasteful number, since it uses less digits than its factorization.

9212020020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50158.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 9212020020011 in words is "nine trillion, two hundred twelve billion, twenty million, twenty thousand, eleven".