101020015401 has 16 divisors (see below), whose sum is σ = 134904211008. Its totient is φ = 67241304000.

The previous prime is 101020015391. The next prime is 101020015427. The reversal of 101020015401 is 104510020101.

It is a happy number.

It is not a de Polignac number, because 101020015401 - 2¹⁰ = 101020014377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101020014401) 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 15 ways as a sum of consecutive naturals, for example, 13627386 + ... + 13634796.

It is an arithmetic number, because the mean of its divisors is an integer number (8431513188).

Almost surely, 2^101020015401 is an apocalyptic number.

It is an amenable number.

101020015401 is a deficient number, since it is larger than the sum of its proper divisors (33884195607).

101020015401 is an equidigital number, since it uses as much as digits as its factorization.

101020015401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 101020015401 its reverse (104510020101), we get a palindrome (205530035502).

The spelling of 101020015401 in words is "one hundred one billion, twenty million, fifteen thousand, four hundred one".