11121202121002 has 4 divisors (see below), whose sum is σ = 16681803181506. Its totient is φ = 5560601060500.

The previous prime is 11121202120993. The next prime is 11121202121017. The reversal of 11121202121002 is 20012120212111.

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., 10910740465881 + 210461655121 = 3303141^2 + 458761^2 .

It is a super-2 number, since 2×11121202121002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780300530249 + ... + 2780300530252.

Almost surely, 2^{11121202121002} is an apocalyptic number.

11121202121002 is a deficient number, since it is larger than the sum of its proper divisors (5560601060504).

11121202121002 is an equidigital number, since it uses as much as digits as its factorization.

11121202121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560601060503.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121202121002 its reverse (20012120212111), we get a palindrome (31133322333113).

The spelling of 11121202121002 in words is "eleven trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty-one thousand, two".