11220212120002 has 16 divisors (see below), whose sum is σ = 16844126603832. Its totient is φ = 5605504007040.

The previous prime is 11220212119969. The next prime is 11220212120017. The reversal of 11220212120002 is 20002121202211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9518958848961 + 1701253271041 = 3085281^2 + 1304321^2 .

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, 30564502 + ... + 30929422.

Almost surely, 2^{11220212120002} is an apocalyptic number.

11220212120002 is a deficient number, since it is larger than the sum of its proper divisors (5623914483830).

11220212120002 is a wasteful number, since it uses less digits than its factorization.

11220212120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377493.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220212120002 its reverse (20002121202211), we get a palindrome (31222333322213).

The spelling of 11220212120002 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty thousand, two".