2105150222551 has 2 divisors, whose sum is σ = 2105150222552. Its totient is φ = 2105150222550.

The previous prime is 2105150222501. The next prime is 2105150222597. The reversal of 2105150222551 is 1552220515012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105150222551 - 2⁷ = 2105150222423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105150222501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052575111275 + 1052575111276.

It is an arithmetic number, because the mean of its divisors is an integer number (1052575111276).

Almost surely, 2^{2105150222551} is an apocalyptic number.

2105150222551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105150222551 is an equidigital number, since it uses as much as digits as its factorization.

2105150222551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 2105150222551 its reverse (1552220515012), we get a palindrome (3657370737563).

The spelling of 2105150222551 in words is "two trillion, one hundred five billion, one hundred fifty million, two hundred twenty-two thousand, five hundred fifty-one".