11102220212 has 6 divisors (see below), whose sum is σ = 19428885378. Its totient is φ = 5551110104.

The previous prime is 11102220211. The next prime is 11102220223. The reversal of 11102220212 is 21202220111.

It can be written as a sum of positive squares in only one way, i.e., 11074615696 + 27604516 = 105236^2 + 5254^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102220211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387777523 + ... + 1387777530.

It is an arithmetic number, because the mean of its divisors is an integer number (3238147563).

Almost surely, 2^11102220212 is an apocalyptic number.

It is an amenable number.

11102220212 is a deficient number, since it is larger than the sum of its proper divisors (8326665166).

11102220212 is a wasteful number, since it uses less digits than its factorization.

11102220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775555057 (or 2775555055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11102220212 its reverse (21202220111), we get a palindrome (32304440323).

The spelling of 11102220212 in words is "eleven billion, one hundred two million, two hundred twenty thousand, two hundred twelve".