101020012202123 has 4 divisors (see below), whose sum is σ = 115451442516720. Its totient is φ = 86588581887528.

The previous prime is 101020012202111. The next prime is 101020012202159. The reversal of 101020012202123 is 321202210020101.

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

It is not a de Polignac number, because 101020012202123 - 2¹⁴ = 101020012185739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101020012202323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215715157288 + ... + 7215715157301.

It is an arithmetic number, because the mean of its divisors is an integer number (28862860629180).

Almost surely, 2^{101020012202123} is an apocalyptic number.

101020012202123 is a deficient number, since it is larger than the sum of its proper divisors (14431430314597).

101020012202123 is an equidigital number, since it uses as much as digits as its factorization.

101020012202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431430314596.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101020012202123 its reverse (321202210020101), we get a palindrome (422222222222224).

The spelling of 101020012202123 in words is "one hundred one trillion, twenty billion, twelve million, two hundred two thousand, one hundred twenty-three".