1121112222002 has 16 divisors (see below), whose sum is σ = 1739816423640. Its totient is φ = 541176959232.

The previous prime is 1121112221993. The next prime is 1121112222007. The reversal of 1121112222002 is 2002222111211.

It can be written as a sum of positive squares in 4 ways, for example, as 962947727401 + 158164494601 = 981299^2 + 397699^2 .

It is a super-2 number, since 2×1121112222002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121112222007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244343 + ... + 1517210.

Almost surely, 2^{1121112222002} is an apocalyptic number.

1121112222002 is a deficient number, since it is larger than the sum of its proper divisors (618704201638).

1121112222002 is a wasteful number, since it uses less digits than its factorization.

1121112222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772557.

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

Adding to 1121112222002 its reverse (2002222111211), we get a palindrome (3123334333213).

The spelling of 1121112222002 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, two".