1022112112202 has 8 divisors (see below), whose sum is σ = 1533174342276. Its totient is φ = 511053998112.

The previous prime is 1022112112187. The next prime is 1022112112207. The reversal of 1022112112202 is 2022112112201.

It can be written as a sum of positive squares in 2 ways, for example, as 875667364441 + 146444747761 = 935771^2 + 382681^2 .

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 (1022112112207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306803 + ... + 1462310.

Almost surely, 2^{1022112112202} is an apocalyptic number.

1022112112202 is a deficient number, since it is larger than the sum of its proper divisors (511062230074).

1022112112202 is a wasteful number, since it uses less digits than its factorization.

1022112112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057992.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022112112202 its reverse (2022112112201), we get a palindrome (3044224224403).

Subtracting 1022112112202 from its reverse (2022112112201), we obtain a palindrome (999999999999).

The spelling of 1022112112202 in words is "one trillion, twenty-two billion, one hundred twelve million, one hundred twelve thousand, two hundred two".