121013201213103 has 32 divisors (see below), whose sum is σ = 164643543032320. Its totient is φ = 79044257410560.

The previous prime is 121013201213089. The next prime is 121013201213143. The reversal of 121013201213103 is 301312102310121.

It is not a de Polignac number, because 121013201213103 - 2²⁴ = 121013184435887 is a prime.

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 121013201213103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013201213143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73759638 + ... + 75382428.

It is an arithmetic number, because the mean of its divisors is an integer number (5145110719760).

Almost surely, 2^{121013201213103} is an apocalyptic number.

121013201213103 is a deficient number, since it is larger than the sum of its proper divisors (43630341819217).

121013201213103 is a wasteful number, since it uses less digits than its factorization.

121013201213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625119.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121013201213103 its reverse (301312102310121), we get a palindrome (422325303523224).

The spelling of 121013201213103 in words is "one hundred twenty-one trillion, thirteen billion, two hundred one million, two hundred thirteen thousand, one hundred three".