100213122551 has 2 divisors, whose sum is σ = 100213122552. Its totient is φ = 100213122550.

The previous prime is 100213122533. The next prime is 100213122557. The reversal of 100213122551 is 155221312001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100213122551 - 2¹⁰ = 100213121527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100213122557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106561275 + 50106561276.

It is an arithmetic number, because the mean of its divisors is an integer number (50106561276).

Almost surely, 2^100213122551 is an apocalyptic number.

100213122551 is a deficient number, since it is larger than the sum of its proper divisors (1).

100213122551 is an equidigital number, since it uses as much as digits as its factorization.

100213122551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 100213122551 its reverse (155221312001), we get a palindrome (255434434552).

The spelling of 100213122551 in words is "one hundred billion, two hundred thirteen million, one hundred twenty-two thousand, five hundred fifty-one".