1200201110101 has 16 divisors (see below), whose sum is σ = 1443917916160. Its totient is φ = 974554202160.

The previous prime is 1200201110051. The next prime is 1200201110159. The reversal of 1200201110101 is 1010111020021.

It is not a de Polignac number, because 1200201110101 - 2²¹ = 1200199012949 is a prime.

It is a super-3 number, since 3×1200201110101³ (a number of 37 digits) contains 333 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 (1200201410101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2835496 + ... + 3231166.

It is an arithmetic number, because the mean of its divisors is an integer number (90244869760).

Almost surely, 2^{1200201110101} is an apocalyptic number.

It is an amenable number.

1200201110101 is a deficient number, since it is larger than the sum of its proper divisors (243716806059).

1200201110101 is a wasteful number, since it uses less digits than its factorization.

1200201110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418504.

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

Adding to 1200201110101 its reverse (1010111020021), we get a palindrome (2210312130122).

The spelling of 1200201110101 in words is "one trillion, two hundred billion, two hundred one million, one hundred ten thousand, one hundred one".