1021010220202 has 8 divisors (see below), whose sum is σ = 1750303234656. Its totient is φ = 437575808652.

The previous prime is 1021010220187. The next prime is 1021010220203. The reversal of 1021010220202 is 2020220101201.

It is a happy number.

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 (1021010220203) by changing a digit.

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, 36464650708 + ... + 36464650735.

It is an arithmetic number, because the mean of its divisors is an integer number (218787904332).

Almost surely, 2^{1021010220202} is an apocalyptic number.

1021010220202 is a deficient number, since it is larger than the sum of its proper divisors (729293014454).

1021010220202 is an equidigital number, since it uses as much as digits as its factorization.

1021010220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72929301452.

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

Adding to 1021010220202 its reverse (2020220101201), we get a palindrome (3041230321403).

The spelling of 1021010220202 in words is "one trillion, twenty-one billion, ten million, two hundred twenty thousand, two hundred two".