10221020112011 has 4 divisors (see below), whose sum is σ = 10224073900872. Its totient is φ = 10217966323152.

The previous prime is 10221020111971. The next prime is 10221020112019. The reversal of 10221020112011 is 11021102012201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10221020112011 - 2⁶ = 10221020111947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221020112019) 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, 1526889410 + ... + 1526896103.

It is an arithmetic number, because the mean of its divisors is an integer number (2556018475218).

Almost surely, 2^{10221020112011} is an apocalyptic number.

10221020112011 is a deficient number, since it is larger than the sum of its proper divisors (3053788861).

10221020112011 is an equidigital number, since it uses as much as digits as its factorization.

10221020112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053788860.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221020112011 its reverse (11021102012201), we get a palindrome (21242122124212).

The spelling of 10221020112011 in words is "ten trillion, two hundred twenty-one billion, twenty million, one hundred twelve thousand, eleven".