10121320101 has 4 divisors (see below), whose sum is σ = 13495093472. Its totient is φ = 6747546732.

The previous prime is 10121320087. The next prime is 10121320103. The reversal of 10121320101 is 10102312101.

10121320101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 10121320101 - 2¹⁸ = 10121057957 is a prime.

It is a super-2 number, since 2×10121320101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121320103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686886681 + ... + 1686886686.

It is an arithmetic number, because the mean of its divisors is an integer number (3373773368).

Almost surely, 2^10121320101 is an apocalyptic number.

It is an amenable number.

10121320101 is a deficient number, since it is larger than the sum of its proper divisors (3373773371).

10121320101 is an equidigital number, since it uses as much as digits as its factorization.

10121320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373773370.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10121320101 its reverse (10102312101), we get a palindrome (20223632202).

The spelling of 10121320101 in words is "ten billion, one hundred twenty-one million, three hundred twenty thousand, one hundred one".