11112221210002 has 32 divisors (see below), whose sum is σ = 18351004636800. Its totient is φ = 5004520761600.

The previous prime is 11112221209987. The next prime is 11112221210029. The reversal of 11112221210002 is 20001212221111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136743699 + ... + 136824937.

It is an arithmetic number, because the mean of its divisors is an integer number (573468894900).

Almost surely, 2^{11112221210002} is an apocalyptic number.

11112221210002 is a deficient number, since it is larger than the sum of its proper divisors (7238783426798).

11112221210002 is a wasteful number, since it uses less digits than its factorization.

11112221210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138402.

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

Adding to 11112221210002 its reverse (20001212221111), we get a palindrome (31113433431113).

The spelling of 11112221210002 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, two".