200120011011010 has 24 divisors (see below), whose sum is σ = 363431982637620. Its totient is φ = 79339614934272.

The previous prime is 200120011010989. The next prime is 200120011011071. The reversal of 200120011011010 is 10110110021002.

It can be written as a sum of positive squares in 6 ways, for example, as 25442632076761 + 174677378934249 = 5044069^2 + 13216557^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783488925 + ... + 783744304.

Almost surely, 2^{200120011011010} is an apocalyptic number.

200120011011010 is a deficient number, since it is larger than the sum of its proper divisors (163311971626610).

200120011011010 is a wasteful number, since it uses less digits than its factorization.

200120011011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567233462 (or 1567233349 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200120011011010 its reverse (10110110021002), we get a palindrome (210230121032012).

The spelling of 200120011011010 in words is "two hundred trillion, one hundred twenty billion, eleven million, eleven thousand, ten".