1111211022002 has 4 divisors (see below), whose sum is σ = 1666816533006. Its totient is φ = 555605511000.

The previous prime is 1111211021981. The next prime is 1111211022011. The reversal of 1111211022002 is 2002201121111.

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., 909923302201 + 201287719801 = 953899^2 + 448651^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277802755499 + ... + 277802755502.

Almost surely, 2^{1111211022002} is an apocalyptic number.

1111211022002 is a deficient number, since it is larger than the sum of its proper divisors (555605511004).

1111211022002 is an equidigital number, since it uses as much as digits as its factorization.

1111211022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555605511003.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111211022002 its reverse (2002201121111), we get a palindrome (3113412143113).

The spelling of 1111211022002 in words is "one trillion, one hundred eleven billion, two hundred eleven million, twenty-two thousand, two".