1111100222002 has 4 divisors (see below), whose sum is σ = 1666650333006. Its totient is φ = 555550111000.

The previous prime is 1111100221967. The next prime is 1111100222009. The reversal of 1111100222002 is 2002220011111.

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., 1111002429681 + 97792321 = 1054041^2 + 9889^2 .

It is not an unprimeable number, because it can be changed into a prime (1111100222009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277775055499 + ... + 277775055502.

Almost surely, 2^{1111100222002} is an apocalyptic number.

1111100222002 is a deficient number, since it is larger than the sum of its proper divisors (555550111004).

1111100222002 is an equidigital number, since it uses as much as digits as its factorization.

1111100222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555550111003.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1111100222002 its reverse (2002220011111), we get a palindrome (3113320233113).

The spelling of 1111100222002 in words is "one trillion, one hundred eleven billion, one hundred million, two hundred twenty-two thousand, two".