1200200221011 has 24 divisors (see below), whose sum is σ = 1759054435600. Its totient is φ = 727359621120.

The previous prime is 1200200221009. The next prime is 1200200221013. The reversal of 1200200221011 is 1101220020021.

It is an interprime number because it is at equal distance from previous prime (1200200221009) and next prime (1200200221013).

It is not a de Polignac number, because 1200200221011 - 2¹ = 1200200221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200200221013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9064815 + ... + 9196263.

Almost surely, 2^{1200200221011} is an apocalyptic number.

1200200221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200200221011 is a deficient number, since it is larger than the sum of its proper divisors (558854214589).

1200200221011 is a wasteful number, since it uses less digits than its factorization.

1200200221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156627 (or 156616 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200200221011 its reverse (1101220020021), we get a palindrome (2301420241032).

The spelling of 1200200221011 in words is "one trillion, two hundred billion, two hundred million, two hundred twenty-one thousand, eleven".