12211010022021 has 8 divisors (see below), whose sum is σ = 16285326508704. Its totient is φ = 8138683441680.

The previous prime is 12211010022011. The next prime is 12211010022023. The reversal of 12211010022021 is 12022001011221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12211010022021 - 2¹⁸ = 12211009759877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211010022023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497462266 + ... + 497486811.

It is an arithmetic number, because the mean of its divisors is an integer number (2035665813588).

Almost surely, 2^{12211010022021} is an apocalyptic number.

It is an amenable number.

12211010022021 is a deficient number, since it is larger than the sum of its proper divisors (4074316486683).

12211010022021 is an equidigital number, since it uses as much as digits as its factorization.

12211010022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994953171.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12211010022021 its reverse (12022001011221), we get a palindrome (24233011033242).

The spelling of 12211010022021 in words is "twelve trillion, two hundred eleven billion, ten million, twenty-two thousand, twenty-one".