1201101100002 has 40 divisors (see below), whose sum is σ = 2692242296172. Its totient is φ = 400235212800.

The previous prime is 1201101099959. The next prime is 1201101100007. The reversal of 1201101100002 is 2000011011021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 980296029801 + 220805070201 = 990099^2 + 469899^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1201101100007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 726399 + ... + 1711682.

Almost surely, 2^{1201101100002} is an apocalyptic number.

1201101100002 is an abundant number, since it is smaller than the sum of its proper divisors (1491141196170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201101100002 is a wasteful number, since it uses less digits than its factorization.

1201101100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441136 (or 2441127 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1201101100002 its reverse (2000011011021), we get a palindrome (3201112111023).

The spelling of 1201101100002 in words is "one trillion, two hundred one billion, one hundred one million, one hundred thousand, two".