1021020202210 has 8 divisors (see below), whose sum is σ = 1837836363996. Its totient is φ = 408408080880.

The previous prime is 1021020202207. The next prime is 1021020202229. The reversal of 1021020202210 is 122020201201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 913398806961 + 107621395249 = 955719^2 + 328057^2 .

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51051010101 + ... + 51051010120.

Almost surely, 2^{1021020202210} is an apocalyptic number.

1021020202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021020202210 is a deficient number, since it is larger than the sum of its proper divisors (816816161786).

1021020202210 is a wasteful number, since it uses less digits than its factorization.

1021020202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102102020228.

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

Adding to 1021020202210 its reverse (122020201201), we get a palindrome (1143040403411).

The spelling of 1021020202210 in words is "one trillion, twenty-one billion, twenty million, two hundred two thousand, two hundred ten".