2021122119 has 4 divisors (see below), whose sum is σ = 2694829496. Its totient is φ = 1347414744.

The previous prime is 2021122111. The next prime is 2021122121. The reversal of 2021122119 is 9112211202.

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

It is not a de Polignac number, because 2021122119 - 2³ = 2021122111 is a prime.

It is a super-2 number, since 2×2021122119² = 8169869239822100322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021122095 and 2021122104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021122111) 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 in 3 ways as a sum of consecutive naturals, for example, 336853684 + ... + 336853689.

It is an arithmetic number, because the mean of its divisors is an integer number (673707374).

Almost surely, 2^2021122119 is an apocalyptic number.

2021122119 is a deficient number, since it is larger than the sum of its proper divisors (673707377).

2021122119 is an equidigital number, since it uses as much as digits as its factorization.

2021122119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673707376.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2021122119 is about 44956.8917853537. The cubic root of 2021122119 is about 1264.3408938658.

The spelling of 2021122119 in words is "two billion, twenty-one million, one hundred twenty-two thousand, one hundred nineteen".