21153025100351 has 2 divisors, whose sum is σ = 21153025100352. Its totient is φ = 21153025100350.

The previous prime is 21153025100287. The next prime is 21153025100387. The reversal of 21153025100351 is 15300152035112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21153025100351 - 2⁶ = 21153025100287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21153025106351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10576512550175 + 10576512550176.

It is an arithmetic number, because the mean of its divisors is an integer number (10576512550176).

Almost surely, 2^{21153025100351} is an apocalyptic number.

21153025100351 is a deficient number, since it is larger than the sum of its proper divisors (1).

21153025100351 is an equidigital number, since it uses as much as digits as its factorization.

21153025100351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 21153025100351 its reverse (15300152035112), we get a palindrome (36453177135463).

The spelling of 21153025100351 in words is "twenty-one trillion, one hundred fifty-three billion, twenty-five million, one hundred thousand, three hundred fifty-one".