11212111000002 has 32 divisors (see below), whose sum is σ = 24499136600640. Its totient is φ = 3392560926720.

The previous prime is 11212111000001. The next prime is 11212111000019. The reversal of 11212111000002 is 20000011121211.

It is a super-2 number, since 2×11212111000002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212111000001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 126166927 + ... + 126255762.

It is an arithmetic number, because the mean of its divisors is an integer number (765598018770).

Almost surely, 2^{11212111000002} is an apocalyptic number.

11212111000002 is an abundant number, since it is smaller than the sum of its proper divisors (13287025600638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212111000002 is a wasteful number, since it uses less digits than its factorization.

11212111000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252423378.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11212111000002 its reverse (20000011121211), we get a palindrome (31212122121213).

The spelling of 11212111000002 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, two", and thus it is an aban number.