20210111119 has 4 divisors (see below), whose sum is σ = 22047393960. Its totient is φ = 18372828280.

The previous prime is 20210111111. The next prime is 20210111149. The reversal of 20210111119 is 91111101202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20210111119 - 2³ = 20210111111 is a prime.

It is a super-2 number, since 2×20210111119² (a number of 21 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 = 20210111096 and 20210111105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210111111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918641404 + ... + 918641425.

It is an arithmetic number, because the mean of its divisors is an integer number (5511848490).

Almost surely, 2^20210111119 is an apocalyptic number.

20210111119 is a deficient number, since it is larger than the sum of its proper divisors (1837282841).

20210111119 is a wasteful number, since it uses less digits than its factorization.

20210111119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837282840.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 20210111119 in words is "twenty billion, two hundred ten million, one hundred eleven thousand, one hundred nineteen".