10020212100121 has 4 divisors (see below), whose sum is σ = 10343444748544. Its totient is φ = 9696979451700.

The previous prime is 10020212100097. The next prime is 10020212100167. The reversal of 10020212100121 is 12100121202001.

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 10020212100121 - 2⁵ = 10020212100089 is a prime.

It is a super-2 number, since 2×10020212100121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020219100121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161616324165 + ... + 161616324226.

It is an arithmetic number, because the mean of its divisors is an integer number (2585861187136).

Almost surely, 2^{10020212100121} is an apocalyptic number.

It is an amenable number.

10020212100121 is a deficient number, since it is larger than the sum of its proper divisors (323232648423).

10020212100121 is an equidigital number, since it uses as much as digits as its factorization.

10020212100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323232648422.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10020212100121 its reverse (12100121202001), we get a palindrome (22120333302122).

The spelling of 10020212100121 in words is "ten trillion, twenty billion, two hundred twelve million, one hundred thousand, one hundred twenty-one".