121011120200 has 24 divisors (see below), whose sum is σ = 281350854930. Its totient is φ = 48404448000.

The previous prime is 121011120193. The next prime is 121011120233. The reversal of 121011120200 is 2021110121.

It can be written as a sum of positive squares in 3 ways, for example, as 115277904676 + 5733215524 = 339526^2 + 75718^2 .

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, 302527601 + ... + 302528000.

Almost surely, 2^121011120200 is an apocalyptic number.

121011120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011120200 is an abundant number, since it is smaller than the sum of its proper divisors (160339734730).

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

121011120200 is a wasteful number, since it uses less digits than its factorization.

121011120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605055617 (or 605055608 counting only the distinct ones).

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

Adding to 121011120200 its reverse (2021110121), we get a palindrome (123032230321).

The spelling of 121011120200 in words is "one hundred twenty-one billion, eleven million, one hundred twenty thousand, two hundred".