2021331022 has 4 divisors (see below), whose sum is σ = 3031996536. Its totient is φ = 1010665510.

The previous prime is 2021331007. The next prime is 2021331029. The reversal of 2021331022 is 2201331202.

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

It is a junction number, because it is equal to n+sod(n) for n = 2021330987 and 2021331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021331029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505332754 + ... + 505332757.

It is an arithmetic number, because the mean of its divisors is an integer number (757999134).

Almost surely, 2^2021331022 is an apocalyptic number.

2021331022 is a deficient number, since it is larger than the sum of its proper divisors (1010665514).

2021331022 is a wasteful number, since it uses less digits than its factorization.

2021331022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010665513.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021331022 is about 44959.2150954618. The cubic root of 2021331022 is about 1264.3844530853.

Adding to 2021331022 its reverse (2201331202), we get a palindrome (4222662224).

The spelling of 2021331022 in words is "two billion, twenty-one million, three hundred thirty-one thousand, twenty-two".