11203210220212 has 6 divisors (see below), whose sum is σ = 19605617885378. Its totient is φ = 5601605110104.

The previous prime is 11203210220179. The next prime is 11203210220243. The reversal of 11203210220212 is 21202201230211.

It can be written as a sum of positive squares in only one way, i.e., 9221996327076 + 1981213893136 = 3036774^2 + 1407556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11203210220212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400401277523 + ... + 1400401277530.

Almost surely, 2^{11203210220212} is an apocalyptic number.

It is an amenable number.

11203210220212 is a deficient number, since it is larger than the sum of its proper divisors (8402407665166).

11203210220212 is a wasteful number, since it uses less digits than its factorization.

11203210220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800802555057 (or 2800802555055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11203210220212 its reverse (21202201230211), we get a palindrome (32405411450423).

The spelling of 11203210220212 in words is "eleven trillion, two hundred three billion, two hundred ten million, two hundred twenty thousand, two hundred twelve".