1201211020103 has 8 divisors (see below), whose sum is σ = 1274388817920. Its totient is φ = 1129028838840.

The previous prime is 1201211020069. The next prime is 1201211020109. The reversal of 1201211020103 is 3010201121021.

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 1201211020103 - 2²⁶ = 1201143911239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201211020109) 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, 248901653 + ... + 248906478.

It is an arithmetic number, because the mean of its divisors is an integer number (159298602240).

Almost surely, 2^{1201211020103} is an apocalyptic number.

1201211020103 is a deficient number, since it is larger than the sum of its proper divisors (73177797817).

1201211020103 is a wasteful number, since it uses less digits than its factorization.

1201211020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497808277.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1201211020103 its reverse (3010201121021), we get a palindrome (4211412141124).

The spelling of 1201211020103 in words is "one trillion, two hundred one billion, two hundred eleven million, twenty thousand, one hundred three".