10100121201 has 8 divisors (see below), whose sum is σ = 14963142560. Its totient is φ = 6733414116.

The previous prime is 10100121193. The next prime is 10100121271. The reversal of 10100121201 is 10212100101.

It is a happy number.

It is not a de Polignac number, because 10100121201 - 2³ = 10100121193 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100121271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187039255 + ... + 187039308.

It is an arithmetic number, because the mean of its divisors is an integer number (1870392820).

Almost surely, 2^10100121201 is an apocalyptic number.

It is an amenable number.

10100121201 is a deficient number, since it is larger than the sum of its proper divisors (4863021359).

10100121201 is an equidigital number, since it uses as much as digits as its factorization.

10100121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374078572 (or 374078566 counting only the distinct ones).

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

Adding to 10100121201 its reverse (10212100101), we get a palindrome (20312221302).

The spelling of 10100121201 in words is "ten billion, one hundred million, one hundred twenty-one thousand, two hundred one".