100522150721 has 2 divisors, whose sum is σ = 100522150722. Its totient is φ = 100522150720.

The previous prime is 100522150639. The next prime is 100522150741. The reversal of 100522150721 is 127051225001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68388003121 + 32134147600 = 261511^2 + 179260^2 .

It is a cyclic number.

It is not a de Polignac number, because 100522150721 - 2²² = 100517956417 is a prime.

It is not a weakly prime, because it can be changed into another prime (100522150741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50261075360 + 50261075361.

It is an arithmetic number, because the mean of its divisors is an integer number (50261075361).

Almost surely, 2^100522150721 is an apocalyptic number.

It is an amenable number.

100522150721 is a deficient number, since it is larger than the sum of its proper divisors (1).

100522150721 is an equidigital number, since it uses as much as digits as its factorization.

100522150721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 100522150721 its reverse (127051225001), we get a palindrome (227573375722).

The spelling of 100522150721 in words is "one hundred billion, five hundred twenty-two million, one hundred fifty thousand, seven hundred twenty-one".