2111403121044 has 24 divisors (see below), whose sum is σ = 5630408323008. Its totient is φ = 603258034560.

The previous prime is 2111403121039. The next prime is 2111403121063. The reversal of 2111403121044 is 4401213041112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12567875637 + ... + 12567875804.

It is an arithmetic number, because the mean of its divisors is an integer number (234600346792).

Almost surely, 2^{2111403121044} is an apocalyptic number.

It is an amenable number.

2111403121044 is an abundant number, since it is smaller than the sum of its proper divisors (3519005201964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111403121044 is a wasteful number, since it uses less digits than its factorization.

2111403121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25135751455 (or 25135751453 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2111403121044 its reverse (4401213041112), we get a palindrome (6512616162156).

The spelling of 2111403121044 in words is "two trillion, one hundred eleven billion, four hundred three million, one hundred twenty-one thousand, forty-four".