21251103213419 has 8 divisors (see below), whose sum is σ = 22515257785248. Its totient is φ = 19988514161280.

The previous prime is 21251103213413. The next prime is 21251103213427. The reversal of 21251103213419 is 91431230115212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21251103213419 - 2⁸ = 21251103213163 is a prime.

It is a super-2 number, since 2×21251103213419² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21251103213413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391351967 + ... + 391406264.

It is an arithmetic number, because the mean of its divisors is an integer number (2814407223156).

Almost surely, 2^{21251103213419} is an apocalyptic number.

21251103213419 is a deficient number, since it is larger than the sum of its proper divisors (1264154571829).

21251103213419 is a wasteful number, since it uses less digits than its factorization.

21251103213419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782759845.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 21251103213419 in words is "twenty-one trillion, two hundred fifty-one billion, one hundred three million, two hundred thirteen thousand, four hundred nineteen".