100142211187 has 2 divisors, whose sum is σ = 100142211188. Its totient is φ = 100142211186.

The previous prime is 100142211181. The next prime is 100142211313. The reversal of 100142211187 is 781112241001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100142211187 - 2¹⁹ = 100141686899 is a prime.

It is a super-2 number, since 2×100142211187² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100142211181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50071105593 + 50071105594.

It is an arithmetic number, because the mean of its divisors is an integer number (50071105594).

Almost surely, 2^100142211187 is an apocalyptic number.

100142211187 is a deficient number, since it is larger than the sum of its proper divisors (1).

100142211187 is an equidigital number, since it uses as much as digits as its factorization.

100142211187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 100142211187 its reverse (781112241001), we get a palindrome (881254452188).

The spelling of 100142211187 in words is "one hundred billion, one hundred forty-two million, two hundred eleven thousand, one hundred eighty-seven".