11101221002 has 4 divisors (see below), whose sum is σ = 16651831506. Its totient is φ = 5550610500.

The previous prime is 11101220989. The next prime is 11101221041. The reversal of 11101221002 is 20012210111.

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., 11014712401 + 86508601 = 104951^2 + 9301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775305249 + ... + 2775305252.

Almost surely, 2^11101221002 is an apocalyptic number.

11101221002 is a deficient number, since it is larger than the sum of its proper divisors (5550610504).

11101221002 is an equidigital number, since it uses as much as digits as its factorization.

11101221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550610503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11101221002 its reverse (20012210111), we get a palindrome (31113431113).

The spelling of 11101221002 in words is "eleven billion, one hundred one million, two hundred twenty-one thousand, two".