100330221457 has 2 divisors, whose sum is σ = 100330221458. Its totient is φ = 100330221456.

The previous prime is 100330221413. The next prime is 100330221559. The reversal of 100330221457 is 754122033001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73284445521 + 27045775936 = 270711^2 + 164456^2 .

It is a cyclic number.

It is not a de Polignac number, because 100330221457 - 2¹⁵ = 100330188689 is a prime.

It is a super-2 number, since 2×100330221457² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100330021457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50165110728 + 50165110729.

It is an arithmetic number, because the mean of its divisors is an integer number (50165110729).

Almost surely, 2^100330221457 is an apocalyptic number.

It is an amenable number.

100330221457 is a deficient number, since it is larger than the sum of its proper divisors (1).

100330221457 is an equidigital number, since it uses as much as digits as its factorization.

100330221457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 100330221457 its reverse (754122033001), we get a palindrome (854452254458).

The spelling of 100330221457 in words is "one hundred billion, three hundred thirty million, two hundred twenty-one thousand, four hundred fifty-seven".