100142241019 has 2 divisors, whose sum is σ = 100142241020. Its totient is φ = 100142241018.

The previous prime is 100142240983. The next prime is 100142241077. The reversal of 100142241019 is 910142241001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100142241019 is a prime.

It is a super-2 number, since 2×100142241019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100142240984 and 100142241002.

It is not a weakly prime, because it can be changed into another prime (100142241079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50071120509 + 50071120510.

It is an arithmetic number, because the mean of its divisors is an integer number (50071120510).

Almost surely, 2^100142241019 is an apocalyptic number.

100142241019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100142241019 is an equidigital number, since it uses as much as digits as its factorization.

100142241019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

It can be divided in two parts, 1001422 and 41019, that added together give a square (1042441 = 1021²).

The spelling of 100142241019 in words is "one hundred billion, one hundred forty-two million, two hundred forty-one thousand, nineteen".