21450100210119 has 24 divisors (see below), whose sum is σ = 35410885732352. Its totient is φ = 12256785948240.

The previous prime is 21450100210109. The next prime is 21450100210159. The reversal of 21450100210119 is 91101200105412.

21450100210119 is a `hidden beast` number, since 2 + 1 + 450 + 100 + 2 + 101 + 1 + 9 = 666.

It is not a de Polignac number, because 21450100210119 - 2⁵ = 21450100210087 is a prime.

It is a super-2 number, since 2×21450100210119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21450100210092 and 21450100210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21450100210109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3868279 + ... + 7606824.

Almost surely, 2^{21450100210119} is an apocalyptic number.

21450100210119 is a deficient number, since it is larger than the sum of its proper divisors (13960785522233).

21450100210119 is a wasteful number, since it uses less digits than its factorization.

21450100210119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504787 (or 11504784 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 21450100210119 in words is "twenty-one trillion, four hundred fifty billion, one hundred million, two hundred ten thousand, one hundred nineteen".