11100012221002 has 4 divisors (see below), whose sum is σ = 16650018331506. Its totient is φ = 5550006110500.

The previous prime is 11100012220939. The next prime is 11100012221021. The reversal of 11100012221002 is 20012221000111.

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., 9501985035841 + 1598027185161 = 3082529^2 + 1264131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775003055249 + ... + 2775003055252.

Almost surely, 2^{11100012221002} is an apocalyptic number.

11100012221002 is a deficient number, since it is larger than the sum of its proper divisors (5550006110504).

11100012221002 is an equidigital number, since it uses as much as digits as its factorization.

11100012221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550006110503.

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

Adding to 11100012221002 its reverse (20012221000111), we get a palindrome (31112233221113).

The spelling of 11100012221002 in words is "eleven trillion, one hundred billion, twelve million, two hundred twenty-one thousand, two".