10121202001 has 4 divisors (see below), whose sum is σ = 10122562404. Its totient is φ = 10119841600.

The previous prime is 10121201971. The next prime is 10121202053. The reversal of 10121202001 is 10020212101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4977443601 + 5143758400 = 70551^2 + 71720^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121202001 - 2¹¹ = 10121199953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121202901) 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, 668980 + ... + 683941.

It is an arithmetic number, because the mean of its divisors is an integer number (2530640601).

Almost surely, 2^10121202001 is an apocalyptic number.

It is an amenable number.

10121202001 is a deficient number, since it is larger than the sum of its proper divisors (1360403).

10121202001 is an equidigital number, since it uses as much as digits as its factorization.

10121202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360402.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10121202001 its reverse (10020212101), we get a palindrome (20141414102).

The spelling of 10121202001 in words is "ten billion, one hundred twenty-one million, two hundred two thousand, one".