10101111002251 has 2 divisors, whose sum is σ = 10101111002252. Its totient is φ = 10101111002250.

The previous prime is 10101111002237. The next prime is 10101111002263. The reversal of 10101111002251 is 15220011110101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101111002251 - 2⁵ = 10101111002219 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101111002651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050555501125 + 5050555501126.

It is an arithmetic number, because the mean of its divisors is an integer number (5050555501126).

Almost surely, 2^{10101111002251} is an apocalyptic number.

10101111002251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101111002251 is an equidigital number, since it uses as much as digits as its factorization.

10101111002251 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 16.

Adding to 10101111002251 its reverse (15220011110101), we get a palindrome (25321122112352).

The spelling of 10101111002251 in words is "ten trillion, one hundred one billion, one hundred eleven million, two thousand, two hundred fifty-one".