10121020100201 has 4 divisors (see below), whose sum is σ = 10153563573504. Its totient is φ = 10088476626900.

The previous prime is 10121020100173. The next prime is 10121020100203. The reversal of 10121020100201 is 10200102012101.

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 10121020100201 - 2⁶ = 10121020100137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121020100203) 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, 16271736185 + ... + 16271736806.

It is an arithmetic number, because the mean of its divisors is an integer number (2538390893376).

Almost surely, 2^{10121020100201} is an apocalyptic number.

It is an amenable number.

10121020100201 is a deficient number, since it is larger than the sum of its proper divisors (32543473303).

10121020100201 is an equidigital number, since it uses as much as digits as its factorization.

10121020100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32543473302.

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

Adding to 10121020100201 its reverse (10200102012101), we get a palindrome (20321122112302).

The spelling of 10121020100201 in words is "ten trillion, one hundred twenty-one billion, twenty million, one hundred thousand, two hundred one".