102122042041 has 4 divisors (see below), whose sum is σ = 102157150500. Its totient is φ = 102086933584.

The previous prime is 102122042039. The next prime is 102122042047. The reversal of 102122042041 is 140240221201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140240221201 = 5981 ⋅23447621.

It can be written as a sum of positive squares in 2 ways, for example, as 93476947600 + 8645094441 = 305740^2 + 92979^2 .

It is a cyclic number.

It is not a de Polignac number, because 102122042041 - 2¹ = 102122042039 is a prime.

It is a super-2 number, since 2×102122042041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102122042047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17549866 + ... + 17555683.

It is an arithmetic number, because the mean of its divisors is an integer number (25539287625).

Almost surely, 2^102122042041 is an apocalyptic number.

It is an amenable number.

102122042041 is a deficient number, since it is larger than the sum of its proper divisors (35108459).

102122042041 is an equidigital number, since it uses as much as digits as its factorization.

102122042041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35108458.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102122042041 its reverse (140240221201), we get a palindrome (242362263242).

The spelling of 102122042041 in words is "one hundred two billion, one hundred twenty-two million, forty-two thousand, forty-one".