2140121142044 has 6 divisors (see below), whose sum is σ = 3745211998584. Its totient is φ = 1070060571020.

The previous prime is 2140121142037. The next prime is 2140121142067. The reversal of 2140121142044 is 4402411210412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267515142752 + ... + 267515142759.

It is an arithmetic number, because the mean of its divisors is an integer number (624201999764).

Almost surely, 2^{2140121142044} is an apocalyptic number.

It is an amenable number.

2140121142044 is a deficient number, since it is larger than the sum of its proper divisors (1605090856540).

2140121142044 is a wasteful number, since it uses less digits than its factorization.

2140121142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535030285515 (or 535030285513 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 2140121142044 its reverse (4402411210412), we get a palindrome (6542532352456).

The spelling of 2140121142044 in words is "two trillion, one hundred forty billion, one hundred twenty-one million, one hundred forty-two thousand, forty-four".