102420232041131 has 2 divisors, whose sum is σ = 102420232041132. Its totient is φ = 102420232041130.

The previous prime is 102420232041091. The next prime is 102420232041157. The reversal of 102420232041131 is 131140232024201.

It is a happy number.

It is an a-pointer prime, because the next prime (102420232041157) can be obtained adding 102420232041131 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102420232041131 - 2⁴⁶ = 32051487863467 is a prime.

It is a super-2 number, since 2×102420232041131² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102420232041131.

It is not a weakly prime, because it can be changed into another prime (102420232041181) 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 as a sum of consecutive naturals, namely, 51210116020565 + 51210116020566.

It is an arithmetic number, because the mean of its divisors is an integer number (51210116020566).

Almost surely, 2^{102420232041131} is an apocalyptic number.

102420232041131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102420232041131 is an equidigital number, since it uses as much as digits as its factorization.

102420232041131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 102420232041131 its reverse (131140232024201), we get a palindrome (233560464065332).

The spelling of 102420232041131 in words is "one hundred two trillion, four hundred twenty billion, two hundred thirty-two million, forty-one thousand, one hundred thirty-one".