11231211002 has 16 divisors (see below), whose sum is σ = 19012082400. Its totient is φ = 4929057840.

The previous prime is 11231211001. The next prime is 11231211053. The reversal of 11231211002 is 20011213211.

It is a super-2 number, since 2×11231211002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231211001) 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, 8801252 + ... + 8802527.

It is an arithmetic number, because the mean of its divisors is an integer number (1188255150).

Almost surely, 2^11231211002 is an apocalyptic number.

11231211002 is a deficient number, since it is larger than the sum of its proper divisors (7780871398).

11231211002 is a wasteful number, since it uses less digits than its factorization.

11231211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603821.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11231211002 its reverse (20011213211), we get a palindrome (31242424213).

The spelling of 11231211002 in words is "eleven billion, two hundred thirty-one million, two hundred eleven thousand, two".