2021101202 has 8 divisors (see below), whose sum is σ = 3209984316. Its totient is φ = 951106432.

The previous prime is 2021101189. The next prime is 2021101207. The reversal of 2021101202 is 2021011202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1941195481 + 79905721 = 44059^2 + 8939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2021101207) 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, 29722043 + ... + 29722110.

Almost surely, 2^2021101202 is an apocalyptic number.

2021101202 is a deficient number, since it is larger than the sum of its proper divisors (1188883114).

2021101202 is a wasteful number, since it uses less digits than its factorization.

2021101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59444172.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2021101202 is about 44956.6591507865. The cubic root of 2021101202 is about 1264.3365322112.

Adding to 2021101202 its reverse (2021011202), we get a palindrome (4042112404).

Subtracting from 2021101202 its reverse (2021011202), we obtain a square (90000 = 300²).

The spelling of 2021101202 in words is "two billion, twenty-one million, one hundred one thousand, two hundred two".