1121120120002 has 4 divisors (see below), whose sum is σ = 1681680180006. Its totient is φ = 560560060000.

The previous prime is 1121120119997. The next prime is 1121120120111. The reversal of 1121120120002 is 2000210211211.

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., 1095453196321 + 25666923681 = 1046639^2 + 160209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280280029999 + ... + 280280030002.

Almost surely, 2^{1121120120002} is an apocalyptic number.

1121120120002 is a deficient number, since it is larger than the sum of its proper divisors (560560060004).

1121120120002 is an equidigital number, since it uses as much as digits as its factorization.

1121120120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560560060003.

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

Adding to 1121120120002 its reverse (2000210211211), we get a palindrome (3121330331213).

The spelling of 1121120120002 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, two".