1200202200101 has 4 divisors (see below), whose sum is σ = 1201227139104. Its totient is φ = 1199177261100.

The previous prime is 1200202200059. The next prime is 1200202200107. The reversal of 1200202200101 is 1010022020021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200202200101 - 2²⁶ = 1200135091237 is a prime.

It is a super-2 number, since 2×1200202200101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200202200107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512467745 + ... + 512470086.

It is an arithmetic number, because the mean of its divisors is an integer number (300306784776).

Almost surely, 2^{1200202200101} is an apocalyptic number.

It is an amenable number.

1200202200101 is a deficient number, since it is larger than the sum of its proper divisors (1024939003).

1200202200101 is a wasteful number, since it uses less digits than its factorization.

1200202200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024939002.

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

Adding to 1200202200101 its reverse (1010022020021), we get a palindrome (2210224220122).

The spelling of 1200202200101 in words is "one trillion, two hundred billion, two hundred two million, two hundred thousand, one hundred one".