10221220332011 has 8 divisors (see below), whose sum is σ = 11031983575200. Its totient is φ = 9413959306752.

The previous prime is 10221220331999. The next prime is 10221220332077. The reversal of 10221220332011 is 11023302212201.

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

It is not a de Polignac number, because 10221220332011 - 2²⁶ = 10221153223147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221220332091) 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, 875548415 + ... + 875560088.

It is an arithmetic number, because the mean of its divisors is an integer number (1378997946900).

Almost surely, 2^{10221220332011} is an apocalyptic number.

10221220332011 is a deficient number, since it is larger than the sum of its proper divisors (810763243189).

10221220332011 is a wasteful number, since it uses less digits than its factorization.

10221220332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751108965.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10221220332011 its reverse (11023302212201), we get a palindrome (21244522544212).

The spelling of 10221220332011 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, three hundred thirty-two thousand, eleven".