11211221222002 has 16 divisors (see below), whose sum is σ = 17102462842080. Its totient is φ = 5510406940992.

The previous prime is 11211221221987. The next prime is 11211221222101. The reversal of 11211221222002 is 20022212211211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740673 + ... + 5045035.

It is an arithmetic number, because the mean of its divisors is an integer number (1068903927630).

Almost surely, 2^{11211221222002} is an apocalyptic number.

11211221222002 is a deficient number, since it is larger than the sum of its proper divisors (5891241620078).

11211221222002 is a wasteful number, since it uses less digits than its factorization.

11211221222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333177.

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

Adding to 11211221222002 its reverse (20022212211211), we get a palindrome (31233433433213).

The spelling of 11211221222002 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, two".