100200111251 has 2 divisors, whose sum is σ = 100200111252. Its totient is φ = 100200111250.

The previous prime is 100200111227. The next prime is 100200111287. The reversal of 100200111251 is 152111002001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100200111251 is a prime.

It is not a weakly prime, because it can be changed into another prime (100200161251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100055625 + 50100055626.

It is an arithmetic number, because the mean of its divisors is an integer number (50100055626).

Almost surely, 2^100200111251 is an apocalyptic number.

100200111251 is a deficient number, since it is larger than the sum of its proper divisors (1).

100200111251 is an equidigital number, since it uses as much as digits as its factorization.

100200111251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 100200111251 its reverse (152111002001), we get a palindrome (252311113252).

The spelling of 100200111251 in words is "one hundred billion, two hundred million, one hundred eleven thousand, two hundred fifty-one".