11211102202 has 4 divisors (see below), whose sum is σ = 16816653306. Its totient is φ = 5605551100.

The previous prime is 11211102191. The next prime is 11211102211. The reversal of 11211102202 is 20220111211.

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., 6299755641 + 4911346561 = 79371^2 + 70081^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802775549 + ... + 2802775552.

Almost surely, 2^11211102202 is an apocalyptic number.

11211102202 is a deficient number, since it is larger than the sum of its proper divisors (5605551104).

11211102202 is an equidigital number, since it uses as much as digits as its factorization.

11211102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605551103.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11211102202 its reverse (20220111211), we get a palindrome (31431213413).

Subtracting 11211102202 from its reverse (20220111211), we obtain a palindrome (9009009009).

The spelling of 11211102202 in words is "eleven billion, two hundred eleven million, one hundred two thousand, two hundred two".