1012221022202 has 8 divisors (see below), whose sum is σ = 1635126266676. Its totient is φ = 467178933312.

The previous prime is 1012221022199. The next prime is 1012221022223. The reversal of 1012221022202 is 2022201222101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 996261500641 + 15959521561 = 998129^2 + 126331^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19465788863 + ... + 19465788914.

Almost surely, 2^{1012221022202} is an apocalyptic number.

1012221022202 is a deficient number, since it is larger than the sum of its proper divisors (622905244474).

1012221022202 is a wasteful number, since it uses less digits than its factorization.

1012221022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38931577792.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1012221022202 its reverse (2022201222101), we get a palindrome (3034422244303).

The spelling of 1012221022202 in words is "one trillion, twelve billion, two hundred twenty-one million, twenty-two thousand, two hundred two".