10021122211121 has 8 divisors (see below), whose sum is σ = 11719053217344. Its totient is φ = 8389776734640.

The previous prime is 10021122211049. The next prime is 10021122211127. The reversal of 10021122211121 is 12111222112001.

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

It is not a de Polignac number, because 10021122211121 - 2²⁶ = 10021055102257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10021122211121.

It is not an unprimeable number, because it can be changed into a prime (10021122211127) 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, 16646382110 + ... + 16646382711.

It is an arithmetic number, because the mean of its divisors is an integer number (1464881652168).

Almost surely, 2^{10021122211121} is an apocalyptic number.

It is an amenable number.

10021122211121 is a deficient number, since it is larger than the sum of its proper divisors (1697931006223).

10021122211121 is an equidigital number, since it uses as much as digits as its factorization.

10021122211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33292764871.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10021122211121 its reverse (12111222112001), we get a palindrome (22132344323122).

The spelling of 10021122211121 in words is "ten trillion, twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".