1201100210011 has 4 divisors (see below), whose sum is σ = 1293492533872. Its totient is φ = 1108707886152.

The previous prime is 1201100209973. The next prime is 1201100210017. The reversal of 1201100210011 is 1100120011021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201100210011 is a prime.

It is a super-3 number, since 3×1201100210011³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201100210011.

It is not an unprimeable number, because it can be changed into a prime (1201100210017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46196161911 + ... + 46196161936.

It is an arithmetic number, because the mean of its divisors is an integer number (323373133468).

Almost surely, 2^{1201100210011} is an apocalyptic number.

1201100210011 is a deficient number, since it is larger than the sum of its proper divisors (92392323861).

1201100210011 is an equidigital number, since it uses as much as digits as its factorization.

1201100210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92392323860.

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

Adding to 1201100210011 its reverse (1100120011021), we get a palindrome (2301220221032).

The spelling of 1201100210011 in words is "one trillion, two hundred one billion, one hundred million, two hundred ten thousand, eleven".