121120200000200 has 24 divisors (see below), whose sum is σ = 281604465000930. Its totient is φ = 48448080000000.

The previous prime is 121120200000167. The next prime is 121120200000323. The reversal of 121120200000200 is 2000002021121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 58119246465604 + 63000953534596 = 7623598^2 + 7937314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302800499801 + ... + 302800500200.

Almost surely, 2^{121120200000200} is an apocalyptic number.

121120200000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120200000200 is an abundant number, since it is smaller than the sum of its proper divisors (160484265000730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121120200000200 is a wasteful number, since it uses less digits than its factorization.

121120200000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605601000017 (or 605601000008 counting only the distinct ones).

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

Adding to 121120200000200 its reverse (2000002021121), we get a palindrome (123120202021321).

The spelling of 121120200000200 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred million, two hundred", and thus it is an aban number.