11112001221002 has 8 divisors (see below), whose sum is σ = 18183274725312. Its totient is φ = 5050909645900.

The previous prime is 11112001220977. The next prime is 11112001221049. The reversal of 11112001221002 is 20012210021111.

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

It is a super-2 number, since 2×11112001221002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252545482274 + ... + 252545482317.

It is an arithmetic number, because the mean of its divisors is an integer number (2272909340664).

Almost surely, 2^{11112001221002} is an apocalyptic number.

11112001221002 is a deficient number, since it is larger than the sum of its proper divisors (7071273504310).

11112001221002 is a wasteful number, since it uses less digits than its factorization.

11112001221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505090964604.

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

Adding to 11112001221002 its reverse (20012210021111), we get a palindrome (31124211242113).

It can be divided in two parts, 1111 and 2001221002, that multiplied together give a palindrome (2223356533222).

The spelling of 11112001221002 in words is "eleven trillion, one hundred twelve billion, one million, two hundred twenty-one thousand, two".