21210100215119 has 2 divisors, whose sum is σ = 21210100215120. Its totient is φ = 21210100215118.

The previous prime is 21210100215067. The next prime is 21210100215133. The reversal of 21210100215119 is 91151200101212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21210100215119 - 2³⁶ = 21141380738383 is a prime.

It is a super-2 number, since 2×21210100215119² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21210100215169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605050107559 + 10605050107560.

It is an arithmetic number, because the mean of its divisors is an integer number (10605050107560).

Almost surely, 2^{21210100215119} is an apocalyptic number.

21210100215119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21210100215119 is an equidigital number, since it uses as much as digits as its factorization.

21210100215119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 21210100215119 in words is "twenty-one trillion, two hundred ten billion, one hundred million, two hundred fifteen thousand, one hundred nineteen".