20210021119 has 16 divisors (see below), whose sum is σ = 20985191136. Its totient is φ = 19447344000.

The previous prime is 20210021059. The next prime is 20210021131. The reversal of 20210021119 is 91112001202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20210021119 - 2¹⁹ = 20209496831 is a prime.

It is a super-2 number, since 2×20210021119² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20210021096 and 20210021105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210021219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074589 + ... + 4079545.

It is an arithmetic number, because the mean of its divisors is an integer number (1311574446).

Almost surely, 2^20210021119 is an apocalyptic number.

20210021119 is a deficient number, since it is larger than the sum of its proper divisors (775170017).

20210021119 is a wasteful number, since it uses less digits than its factorization.

20210021119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186.

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

The spelling of 20210021119 in words is "twenty billion, two hundred ten million, twenty-one thousand, one hundred nineteen".