21202010119 has 2 divisors, whose sum is σ = 21202010120. Its totient is φ = 21202010118.

The previous prime is 21202010101. The next prime is 21202010143. The reversal of 21202010119 is 91101020212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21202010119 - 2¹⁵ = 21201977351 is a prime.

It is a super-2 number, since 2×21202010119² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21202010096 and 21202010105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21202016119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601005059 + 10601005060.

It is an arithmetic number, because the mean of its divisors is an integer number (10601005060).

Almost surely, 2^21202010119 is an apocalyptic number.

21202010119 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202010119 is an equidigital number, since it uses as much as digits as its factorization.

21202010119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 21202010119 in words is "twenty-one billion, two hundred two million, ten thousand, one hundred nineteen".