1111221122002 has 8 divisors (see below), whose sum is σ = 1667631896496. Its totient is φ = 555343823172.

The previous prime is 1111221121999. The next prime is 1111221122003. The reversal of 1111221122002 is 2002211221111.

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 (1111221122003) 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, 133363708 + ... + 133372039.

It is an arithmetic number, because the mean of its divisors is an integer number (208453987062).

Almost surely, 2^{1111221122002} is an apocalyptic number.

1111221122002 is a deficient number, since it is larger than the sum of its proper divisors (556410774494).

1111221122002 is a wasteful number, since it uses less digits than its factorization.

1111221122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266737832.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111221122002 its reverse (2002211221111), we get a palindrome (3113432343113).

The spelling of 1111221122002 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, two".