1121202112202 has 32 divisors (see below), whose sum is σ = 1721677375440. Its totient is φ = 547412935680.

The previous prime is 1121202112133. The next prime is 1121202112213. The reversal of 1121202112202 is 2022112021211.

It can be written as a sum of positive squares in 8 ways, for example, as 774539046241 + 346663065961 = 880079^2 + 588781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45689528 + ... + 45714060.

Almost surely, 2^{1121202112202} is an apocalyptic number.

1121202112202 is a deficient number, since it is larger than the sum of its proper divisors (600475263238).

1121202112202 is a wasteful number, since it uses less digits than its factorization.

1121202112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26618.

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

Adding to 1121202112202 its reverse (2022112021211), we get a palindrome (3143314133413).

Subtracting 1121202112202 from its reverse (2022112021211), we obtain a palindrome (900909909009).

The spelling of 1121202112202 in words is "one trillion, one hundred twenty-one billion, two hundred two million, one hundred twelve thousand, two hundred two".