1122112221202 has 32 divisors (see below), whose sum is σ = 2024944404480. Its totient is φ = 455576380560.

The previous prime is 1122112221073. The next prime is 1122112221203. The reversal of 1122112221202 is 2021222112211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1122112221202.

It is not an unprimeable number, because it can be changed into a prime (1122112221203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8170183 + ... + 8306389.

It is an arithmetic number, because the mean of its divisors is an integer number (63279512640).

Almost surely, 2^{1122112221202} is an apocalyptic number.

1122112221202 is a deficient number, since it is larger than the sum of its proper divisors (902832183278).

1122112221202 is a wasteful number, since it uses less digits than its factorization.

1122112221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167206.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122112221202 its reverse (2021222112211), we get a palindrome (3143334333413).

The spelling of 1122112221202 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred two".