1203102111001 has 16 divisors (see below), whose sum is σ = 1377863219200. Its totient is φ = 1029065618448.

The previous prime is 1203102110893. The next prime is 1203102111011. The reversal of 1203102111001 is 1001112013021.

It is a happy number.

It is not a de Polignac number, because 1203102111001 - 2¹³ = 1203102102809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203102111011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6328390 + ... + 6515728.

It is an arithmetic number, because the mean of its divisors is an integer number (86116451200).

Almost surely, 2^{1203102111001} is an apocalyptic number.

It is an amenable number.

1203102111001 is a deficient number, since it is larger than the sum of its proper divisors (174761108199).

1203102111001 is a wasteful number, since it uses less digits than its factorization.

1203102111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189268.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1203102111001 its reverse (1001112013021), we get a palindrome (2204214124022).

The spelling of 1203102111001 in words is "one trillion, two hundred three billion, one hundred two million, one hundred eleven thousand, one".