10020202200121 has 4 divisors (see below), whose sum is σ = 10020237688692. Its totient is φ = 10020166711552.

The previous prime is 10020202200091. The next prime is 10020202200143. The reversal of 10020202200121 is 12100220202001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6992824916025 + 3027377284096 = 2644395^2 + 1739936^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020202200121 - 2³⁵ = 9985842461753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020202200181) 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, 17317336 + ... + 17886601.

It is an arithmetic number, because the mean of its divisors is an integer number (2505059422173).

Almost surely, 2^{10020202200121} is an apocalyptic number.

It is an amenable number.

10020202200121 is a deficient number, since it is larger than the sum of its proper divisors (35488571).

10020202200121 is an equidigital number, since it uses as much as digits as its factorization.

10020202200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35488570.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10020202200121 its reverse (12100220202001), we get a palindrome (22120422402122).

The spelling of 10020202200121 in words is "ten trillion, twenty billion, two hundred two million, two hundred thousand, one hundred twenty-one".