2142111023103 has 16 divisors (see below), whose sum is σ = 2922680002176. Its totient is φ = 1394810528160.

The previous prime is 2142111023047. The next prime is 2142111023119. The reversal of 2142111023103 is 3013201112412.

It is not a de Polignac number, because 2142111023103 - 2⁹ = 2142111022591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2142111023103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142111023183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3291313 + ... + 3888053.

It is an arithmetic number, because the mean of its divisors is an integer number (182667500136).

Almost surely, 2^{2142111023103} is an apocalyptic number.

2142111023103 is a deficient number, since it is larger than the sum of its proper divisors (780568979073).

2142111023103 is a wasteful number, since it uses less digits than its factorization.

2142111023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624614.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2142111023103 its reverse (3013201112412), we get a palindrome (5155312135515).

The spelling of 2142111023103 in words is "two trillion, one hundred forty-two billion, one hundred eleven million, twenty-three thousand, one hundred three".