1201001100011 has 16 divisors (see below), whose sum is σ = 1213228074240. Its totient is φ = 1188841328640.

The previous prime is 1201001100007. The next prime is 1201001100071. The reversal of 1201001100011 is 1100011001021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1201001100011 - 2² = 1201001100007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201001100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108495785 + ... + 108506853.

It is an arithmetic number, because the mean of its divisors is an integer number (75826754640).

Almost surely, 2^{1201001100011} is an apocalyptic number.

1201001100011 is a deficient number, since it is larger than the sum of its proper divisors (12226974229).

1201001100011 is a wasteful number, since it uses less digits than its factorization.

1201001100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14006.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1201001100011 its reverse (1100011001021), we get a palindrome (2301012101032).

The spelling of 1201001100011 in words is "one trillion, two hundred one billion, one million, one hundred thousand, eleven".