12111111211002 has 8 divisors (see below), whose sum is σ = 24222222422016. Its totient is φ = 4037037070332.

The previous prime is 12111111210949. The next prime is 12111111211127. The reversal of 12111111211002 is 20011211111121.

It is a sphenic number, since it is the product of 3 distinct primes.

12111111211002 is an admirable number.

It is a super-3 number, since 3×12111111211002³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009259267578 + ... + 1009259267589.

It is an arithmetic number, because the mean of its divisors is an integer number (3027777802752).

Almost surely, 2^{12111111211002} is an apocalyptic number.

12111111211002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12111111211002 is a wasteful number, since it uses less digits than its factorization.

12111111211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018518535172.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12111111211002 its reverse (20011211111121), we get a palindrome (32122322322123).

The spelling of 12111111211002 in words is "twelve trillion, one hundred eleven billion, one hundred eleven million, two hundred eleven thousand, two".