11211212002 has 16 divisors (see below), whose sum is σ = 16961882112. Its totient is φ = 5557427680.

The previous prime is 11211211997. The next prime is 11211212009. The reversal of 11211212002 is 20021211211.

It is not an unprimeable number, because it can be changed into a prime (11211212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84102 + ... + 171742.

It is an arithmetic number, because the mean of its divisors is an integer number (1060117632).

Almost surely, 2^11211212002 is an apocalyptic number.

11211212002 is a deficient number, since it is larger than the sum of its proper divisors (5750670110).

11211212002 is a wasteful number, since it uses less digits than its factorization.

11211212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88193.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11211212002 its reverse (20021211211), we get a palindrome (31232423213).

The spelling of 11211212002 in words is "eleven billion, two hundred eleven million, two hundred twelve thousand, two".