11222221121002 has 8 divisors (see below), whose sum is σ = 16833538980000. Its totient is φ = 5611041461004.

The previous prime is 11222221120993. The next prime is 11222221121011. The reversal of 11222221121002 is 20012112222211.

It is an interprime number because it is at equal distance from previous prime (11222221120993) and next prime (11222221121011).

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

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 in 3 ways as a sum of consecutive naturals, for example, 34346502 + ... + 34671697.

It is an arithmetic number, because the mean of its divisors is an integer number (2104192372500).

Almost surely, 2^{11222221121002} is an apocalyptic number.

11222221121002 is a deficient number, since it is larger than the sum of its proper divisors (5611317858998).

11222221121002 is an equidigital number, since it uses as much as digits as its factorization.

11222221121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69099500.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222221121002 its reverse (20012112222211), we get a palindrome (31234333343213).

The spelling of 11222221121002 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, two".