1121001120002 has 4 divisors (see below), whose sum is σ = 1681501680006. Its totient is φ = 560500560000.

The previous prime is 1121001119983. The next prime is 1121001120007. The reversal of 1121001120002 is 2000211001211.

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., 878701886881 + 242299233121 = 937391^2 + 492239^2 .

It is a super-2 number, since 2×1121001120002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121001120007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280250279999 + ... + 280250280002.

Almost surely, 2^{1121001120002} is an apocalyptic number.

1121001120002 is a deficient number, since it is larger than the sum of its proper divisors (560500560004).

1121001120002 is an equidigital number, since it uses as much as digits as its factorization.

1121001120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560500560003.

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

Adding to 1121001120002 its reverse (2000211001211), we get a palindrome (3121212121213).

The spelling of 1121001120002 in words is "one trillion, one hundred twenty-one billion, one million, one hundred twenty thousand, two".