10202021122 has 8 divisors (see below), whose sum is σ = 15512662476. Its totient is φ = 5031133632.

The previous prime is 10202021119. The next prime is 10202021213. The reversal of 10202021122 is 22112020201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9128082681 + 1073938441 = 95541^2 + 32771^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34938283 + ... + 34938574.

Almost surely, 2^10202021122 is an apocalyptic number.

10202021122 is a deficient number, since it is larger than the sum of its proper divisors (5310641354).

10202021122 is an equidigital number, since it uses as much as digits as its factorization.

10202021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69876932.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10202021122 its reverse (22112020201), we get a palindrome (32314041323).

The spelling of 10202021122 in words is "ten billion, two hundred two million, twenty-one thousand, one hundred twenty-two".