10101120001 has 16 divisors (see below), whose sum is σ = 11606877568. Its totient is φ = 8611142400.

The previous prime is 10101119999. The next prime is 10101120023. The reversal of 10101120001 is 10002110101.

It is not a de Polignac number, because 10101120001 - 2¹ = 10101119999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101120031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486231 + ... + 1493011.

It is an arithmetic number, because the mean of its divisors is an integer number (725429848).

Almost surely, 2^10101120001 is an apocalyptic number.

It is an amenable number.

10101120001 is a deficient number, since it is larger than the sum of its proper divisors (1505757567).

10101120001 is an equidigital number, since it uses as much as digits as its factorization.

10101120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10101120001 its reverse (10002110101), we get a palindrome (20103230102).

The spelling of 10101120001 in words is "ten billion, one hundred one million, one hundred twenty thousand, one".