10021021201121 has 4 divisors (see below), whose sum is σ = 11452595658432. Its totient is φ = 8589446743812.

The previous prime is 10021021201097. The next prime is 10021021201151. The reversal of 10021021201121 is 12110212012001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10021021201121 - 2²² = 10021017006817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021021201096 and 10021021201105.

It is not an unprimeable number, because it can be changed into a prime (10021021201151) 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, 715787228645 + ... + 715787228658.

It is an arithmetic number, because the mean of its divisors is an integer number (2863148914608).

Almost surely, 2^{10021021201121} is an apocalyptic number.

It is an amenable number.

10021021201121 is a deficient number, since it is larger than the sum of its proper divisors (1431574457311).

10021021201121 is an equidigital number, since it uses as much as digits as its factorization.

10021021201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431574457310.

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

Adding to 10021021201121 its reverse (12110212012001), we get a palindrome (22131233213122).

The spelling of 10021021201121 in words is "ten trillion, twenty-one billion, twenty-one million, two hundred one thousand, one hundred twenty-one".