21022100101351 has 2 divisors, whose sum is σ = 21022100101352. Its totient is φ = 21022100101350.

The previous prime is 21022100101141. The next prime is 21022100101399. The reversal of 21022100101351 is 15310100122012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21022100101351 - 2²⁷ = 21021965883623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21022100102351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511050050675 + 10511050050676.

It is an arithmetic number, because the mean of its divisors is an integer number (10511050050676).

Almost surely, 2^{21022100101351} is an apocalyptic number.

21022100101351 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022100101351 is an equidigital number, since it uses as much as digits as its factorization.

21022100101351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 21022100101351 its reverse (15310100122012), we get a palindrome (36332200223363).

The spelling of 21022100101351 in words is "twenty-one trillion, twenty-two billion, one hundred million, one hundred one thousand, three hundred fifty-one".