2211212221102 has 16 divisors (see below), whose sum is σ = 3322355393232. Its totient is φ = 1103760947520.

The previous prime is 2211212221037. The next prime is 2211212221109. The reversal of 2211212221102 is 2011222121122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211212221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211212221109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8548858 + ... + 8803714.

It is an arithmetic number, because the mean of its divisors is an integer number (207647212077).

Almost surely, 2^{2211212221102} is an apocalyptic number.

2211212221102 is a deficient number, since it is larger than the sum of its proper divisors (1111143172130).

2211212221102 is a wasteful number, since it uses less digits than its factorization.

2211212221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262083.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2211212221102 its reverse (2011222121122), we get a palindrome (4222434342224).

The spelling of 2211212221102 in words is "two trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-one thousand, one hundred two".