2021119121 has 12 divisors (see below), whose sum is σ = 2426941440. Its totient is φ = 1676503080.

The previous prime is 2021119109. The next prime is 2021119141. The reversal of 2021119121 is 1219111202.

It is not a de Polignac number, because 2021119121 - 2¹⁰ = 2021118097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021119093 and 2021119102.

It is not an unprimeable number, because it can be changed into a prime (2021119141) 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 11 ways as a sum of consecutive naturals, for example, 663761 + ... + 666798.

It is an arithmetic number, because the mean of its divisors is an integer number (202245120).

Almost surely, 2^2021119121 is an apocalyptic number.

It is an amenable number.

2021119121 is a deficient number, since it is larger than the sum of its proper divisors (405822319).

2021119121 is a wasteful number, since it uses less digits than its factorization.

2021119121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330604 (or 1330597 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 2021119121 is about 44956.8584422889. The cubic root of 2021119121 is about 1264.3402687187.

The spelling of 2021119121 in words is "two billion, twenty-one million, one hundred nineteen thousand, one hundred twenty-one".