1121200020002 has 8 divisors (see below), whose sum is σ = 1684344358812. Its totient is φ = 559751900400.

The previous prime is 1121200019903. The next prime is 1121200020013. The reversal of 1121200020002 is 2000200021211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1105717443961 + 15482576041 = 1051531^2 + 124429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

1121200020002 is a modest number, since divided by 20002 gives 11212 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424053149 + ... + 424055792.

Almost surely, 2^{1121200020002} is an apocalyptic number.

1121200020002 is a deficient number, since it is larger than the sum of its proper divisors (563144338810).

1121200020002 is an equidigital number, since it uses as much as digits as its factorization.

1121200020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848109604.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1121200020002 its reverse (2000200021211), we get a palindrome (3121400041213).

The spelling of 1121200020002 in words is "one trillion, one hundred twenty-one billion, two hundred million, twenty thousand, two".