2021020119 has 16 divisors (see below), whose sum is σ = 2997757440. Its totient is φ = 1345702680.

The previous prime is 2021020091. The next prime is 2021020147. The reversal of 2021020119 is 9110201202.

It is an interprime number because it is at equal distance from previous prime (2021020091) and next prime (2021020147).

It is not a de Polignac number, because 2021020119 - 2⁸ = 2021019863 is a prime.

It is a super-2 number, since 2×2021020119² = 8169044642805548322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021020619) 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, 22927 + ... + 67584.

It is an arithmetic number, because the mean of its divisors is an integer number (187359840).

Almost surely, 2^2021020119 is an apocalyptic number.

2021020119 is a deficient number, since it is larger than the sum of its proper divisors (976737321).

2021020119 is an equidigital number, since it uses as much as digits as its factorization.

2021020119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91347 (or 91341 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 2021020119 is about 44955.7573509779. The cubic root of 2021020119 is about 1264.3196243377.

The spelling of 2021020119 in words is "two billion, twenty-one million, twenty thousand, one hundred nineteen".