10010100200121 has 48 divisors (see below), whose sum is σ = 16542441437184. Its totient is φ = 5713886610432.

The previous prime is 10010100200083. The next prime is 10010100200147. The reversal of 10010100200121 is 12100200101001.

It is a happy number.

It is not a de Polignac number, because 10010100200121 - 2¹⁰ = 10010100199097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10010100250121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 738582481 + ... + 738596033.

It is an arithmetic number, because the mean of its divisors is an integer number (344634196608).

Almost surely, 2^{10010100200121} is an apocalyptic number.

It is an amenable number.

10010100200121 is a deficient number, since it is larger than the sum of its proper divisors (6532341237063).

10010100200121 is a wasteful number, since it uses less digits than its factorization.

10010100200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25350 (or 25347 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10010100200121 its reverse (12100200101001), we get a palindrome (22110300301122).

The spelling of 10010100200121 in words is "ten trillion, ten billion, one hundred million, two hundred thousand, one hundred twenty-one".