11211121210002 has 64 divisors (see below), whose sum is σ = 26359709528064. Its totient is φ = 3111665699520.

The previous prime is 11211121209997. The next prime is 11211121210027. The reversal of 11211121210002 is 20001212111211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4736038 + ... + 6697185.

It is an arithmetic number, because the mean of its divisors is an integer number (411870461376).

Almost surely, 2^{11211121210002} is an apocalyptic number.

11211121210002 is an abundant number, since it is smaller than the sum of its proper divisors (15148588318062).

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

11211121210002 is a wasteful number, since it uses less digits than its factorization.

11211121210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433903.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11211121210002 its reverse (20001212111211), we get a palindrome (31212333321213).

The spelling of 11211121210002 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, two".