109103019251 has 2 divisors, whose sum is σ = 109103019252. Its totient is φ = 109103019250.

The previous prime is 109103019217. The next prime is 109103019379. The reversal of 109103019251 is 152910301901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109103019251 - 2⁶ = 109103019187 is a prime.

It is not a weakly prime, because it can be changed into another prime (109103010251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54551509625 + 54551509626.

It is an arithmetic number, because the mean of its divisors is an integer number (54551509626).

Almost surely, 2^109103019251 is an apocalyptic number.

109103019251 is a deficient number, since it is larger than the sum of its proper divisors (1).

109103019251 is an equidigital number, since it uses as much as digits as its factorization.

109103019251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 32.

The spelling of 109103019251 in words is "one hundred nine billion, one hundred three million, nineteen thousand, two hundred fifty-one".