1111221020002 has 8 divisors (see below), whose sum is σ = 1666873792512. Its totient is φ = 555596422500.

The previous prime is 1111221019921. The next prime is 1111221020009. The reversal of 1111221020002 is 2000201221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1111221020009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6944874 + ... + 7103077.

It is an arithmetic number, because the mean of its divisors is an integer number (208359224064).

Almost surely, 2^{1111221020002} is an apocalyptic number.

1111221020002 is a deficient number, since it is larger than the sum of its proper divisors (555652772510).

1111221020002 is a wasteful number, since it uses less digits than its factorization.

1111221020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14087504.

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

Adding to 1111221020002 its reverse (2000201221111), we get a palindrome (3111422241113).

The spelling of 1111221020002 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, twenty thousand, two".