1121122112202 has 48 divisors (see below), whose sum is σ = 2557163437920. Its totient is φ = 354008340000.

The previous prime is 1121122112171. The next prime is 1121122112207. The reversal of 1121122112202 is 2022112211211.

1121122112202 is a `hidden beast` number, since 11 + 211 + 221 + 1 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1121122112207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4056052 + ... + 4323632.

It is an arithmetic number, because the mean of its divisors is an integer number (53274238290).

Almost surely, 2^{1121122112202} is an apocalyptic number.

1121122112202 is an abundant number, since it is smaller than the sum of its proper divisors (1436041325718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121122112202 is a wasteful number, since it uses less digits than its factorization.

1121122112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279859 (or 279856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1121122112202 its reverse (2022112211211), we get a palindrome (3143234323413).

Subtracting 1121122112202 from its reverse (2022112211211), we obtain a palindrome (900990099009).

The spelling of 1121122112202 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred two".