1122222120002 has 4 divisors (see below), whose sum is σ = 1683333180006. Its totient is φ = 561111060000.

The previous prime is 1122222119933. The next prime is 1122222120013. The reversal of 1122222120002 is 2000212222211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1048803340321 + 73418779681 = 1024111^2 + 270959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280555529999 + ... + 280555530002.

Almost surely, 2^{1122222120002} is an apocalyptic number.

1122222120002 is a deficient number, since it is larger than the sum of its proper divisors (561111060004).

1122222120002 is an equidigital number, since it uses as much as digits as its factorization.

1122222120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561111060003.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1122222120002 its reverse (2000212222211), we get a palindrome (3122434342213).

The spelling of 1122222120002 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, two".