1201001100103 has 8 divisors (see below), whose sum is σ = 1376101153440. Its totient is φ = 1026783163680.

The previous prime is 1201001100097. The next prime is 1201001100107. The reversal of 1201001100103 is 3010011001021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201001100103 - 2⁵ = 1201001100071 is a prime.

It is a super-2 number, since 2×1201001100103² (a number of 25 digits) contains 22 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 1201001100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001100107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220526308 + ... + 220531753.

It is an arithmetic number, because the mean of its divisors is an integer number (172012644180).

Almost surely, 2^{1201001100103} is an apocalyptic number.

1201001100103 is a deficient number, since it is larger than the sum of its proper divisors (175100053337).

1201001100103 is an equidigital number, since it uses as much as digits as its factorization.

1201001100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441058457.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1201001100103 its reverse (3010011001021), we get a palindrome (4211012101124).

The spelling of 1201001100103 in words is "one trillion, two hundred one billion, one million, one hundred thousand, one hundred three".