1012021122202 has 8 divisors (see below), whose sum is σ = 1518320243412. Its totient is φ = 505914374400.

The previous prime is 1012021122193. The next prime is 1012021122209. The reversal of 1012021122202 is 2022211202101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1005666003241 + 6355118961 = 1002829^2 + 79719^2 .

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 (1012021122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48080199 + ... + 48101242.

Almost surely, 2^{1012021122202} is an apocalyptic number.

1012021122202 is a deficient number, since it is larger than the sum of its proper divisors (506299121210).

1012021122202 is an equidigital number, since it uses as much as digits as its factorization.

1012021122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96186704.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012021122202 its reverse (2022211202101), we get a palindrome (3034232324303).

The spelling of 1012021122202 in words is "one trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred two".