11211000002 has 4 divisors (see below), whose sum is σ = 16816500006. Its totient is φ = 5605500000.

The previous prime is 11210999993. The next prime is 11211000011. The reversal of 11211000002 is 20000011211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11210999993) and next prime (11211000011).

It can be written as a sum of positive squares in only one way, i.e., 11100518881 + 110481121 = 105359^2 + 10511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802749999 + ... + 2802750002.

Almost surely, 2^11211000002 is an apocalyptic number.

11211000002 is a deficient number, since it is larger than the sum of its proper divisors (5605500004).

11211000002 is an equidigital number, since it uses as much as digits as its factorization.

11211000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605500003.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11211000002 its reverse (20000011211), we get a palindrome (31211011213).

The spelling of 11211000002 in words is "eleven billion, two hundred eleven million, two", and thus it is an aban number.