11201220020212 has 6 divisors (see below), whose sum is σ = 19602135035378. Its totient is φ = 5600610010104.

The previous prime is 11201220020191. The next prime is 11201220020213. The reversal of 11201220020212 is 21202002210211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10528039153636 + 673180866576 = 3244694^2 + 820476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201220020213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400152502523 + ... + 1400152502530.

Almost surely, 2^{11201220020212} is an apocalyptic number.

It is an amenable number.

11201220020212 is a deficient number, since it is larger than the sum of its proper divisors (8400915015166).

11201220020212 is a wasteful number, since it uses less digits than its factorization.

11201220020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800305005057 (or 2800305005055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11201220020212 its reverse (21202002210211), we get a palindrome (32403222230423).

The spelling of 11201220020212 in words is "eleven trillion, two hundred one billion, two hundred twenty million, twenty thousand, two hundred twelve".