42103132091 has 2 divisors, whose sum is σ = 42103132092. Its totient is φ = 42103132090.

The previous prime is 42103132079. The next prime is 42103132117. The reversal of 42103132091 is 19023130124.

It is an a-pointer prime, because the next prime (42103132117) can be obtained adding 42103132091 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42103132091 - 2²² = 42098937787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42103132091.

It is not a weakly prime, because it can be changed into another prime (42103132051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051566045 + 21051566046.

It is an arithmetic number, because the mean of its divisors is an integer number (21051566046).

Almost surely, 2^42103132091 is an apocalyptic number.

42103132091 is a deficient number, since it is larger than the sum of its proper divisors (1).

42103132091 is an equidigital number, since it uses as much as digits as its factorization.

42103132091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 42103132091 in words is "forty-two billion, one hundred three million, one hundred thirty-two thousand, ninety-one".