202103124242111 has 4 divisors (see below), whose sum is σ = 202682216289000. Its totient is φ = 201524032195224.

The previous prime is 202103124242101. The next prime is 202103124242147. The reversal of 202103124242111 is 111242421301202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202103124242111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202103124242101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289546022921 + ... + 289546023618.

It is an arithmetic number, because the mean of its divisors is an integer number (50670554072250).

Almost surely, 2^{202103124242111} is an apocalyptic number.

202103124242111 is a deficient number, since it is larger than the sum of its proper divisors (579092046889).

202103124242111 is an equidigital number, since it uses as much as digits as its factorization.

202103124242111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579092046888.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 202103124242111 its reverse (111242421301202), we get a palindrome (313345545543313).

The spelling of 202103124242111 in words is "two hundred two trillion, one hundred three billion, one hundred twenty-four million, two hundred forty-two thousand, one hundred eleven".