101632078021 has 2 divisors, whose sum is σ = 101632078022.
Its totient is φ = 101632078020.
The previous prime is 101632077973. The next prime is 101632078039. The reversal of 101632078021 is 120870236101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 101051508996 + 580569025 = 317886^2 + 24095^2
It is a cyclic number.
It is not a de Polignac number, because 101632078021 - 27 = 101632077893 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (101632078721) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50816039010 + 50816039011.
It is an arithmetic number, because the mean of its divisors is an integer number (50816039011).
Almost surely, 2101632078021 is an apocalyptic number.
It is an amenable number.
101632078021 is a deficient number, since it is larger than the sum of its proper divisors (1).
101632078021 is an equidigital number, since it uses as much as digits as its factorization.
101632078021 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 31.
The spelling of 101632078021 in words is "one hundred one billion, six hundred thirty-two million, seventy-eight thousand, twenty-one".