11221211110002 has 32 divisors (see below), whose sum is σ = 23843766398400. Its totient is φ = 3513818202048.

The previous prime is 11221211109989. The next prime is 11221211110009. The reversal of 11221211110002 is 20001111212211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11221211110009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871476252 + ... + 871489127.

It is an arithmetic number, because the mean of its divisors is an integer number (745117699950).

Almost surely, 2^{11221211110002} is an apocalyptic number.

11221211110002 is an abundant number, since it is smaller than the sum of its proper divisors (12622555288398).

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

11221211110002 is a wasteful number, since it uses less digits than its factorization.

11221211110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742965450.

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

Adding to 11221211110002 its reverse (20001111212211), we get a palindrome (31222322322213).

The spelling of 11221211110002 in words is "eleven trillion, two hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, two".