11212011022202 has 4 divisors (see below), whose sum is σ = 16818016533306. Its totient is φ = 5606005511100.

The previous prime is 11212011022103. The next prime is 11212011022207. The reversal of 11212011022202 is 20222011021211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8882849728921 + 2329161293281 = 2980411^2 + 1526159^2 .

It is not an unprimeable number, because it can be changed into a prime (11212011022207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803002755549 + ... + 2803002755552.

Almost surely, 2^{11212011022202} is an apocalyptic number.

11212011022202 is a deficient number, since it is larger than the sum of its proper divisors (5606005511104).

11212011022202 is an equidigital number, since it uses as much as digits as its factorization.

11212011022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606005511103.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212011022202 its reverse (20222011021211), we get a palindrome (31434022043413).

Subtracting 11212011022202 from its reverse (20222011021211), we obtain a palindrome (9009999999009).

The spelling of 11212011022202 in words is "eleven trillion, two hundred twelve billion, eleven million, twenty-two thousand, two hundred two".