10100220010121 has 4 divisors (see below), whose sum is σ = 10100259912912. Its totient is φ = 10100180107332.

The previous prime is 10100220010091. The next prime is 10100220010129. The reversal of 10100220010121 is 12101002200101.

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 10100220010121 - 2¹⁰ = 10100220009097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100220010129) 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, 19569275 + ... + 20078768.

It is an arithmetic number, because the mean of its divisors is an integer number (2525064978228).

Almost surely, 2^{10100220010121} is an apocalyptic number.

It is an amenable number.

10100220010121 is a deficient number, since it is larger than the sum of its proper divisors (39902791).

10100220010121 is an equidigital number, since it uses as much as digits as its factorization.

10100220010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39902790.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10100220010121 its reverse (12101002200101), we get a palindrome (22201222210222).

The spelling of 10100220010121 in words is "ten trillion, one hundred billion, two hundred twenty million, ten thousand, one hundred twenty-one".