2138203018411 has 12 divisors (see below), whose sum is σ = 2287576239672. Its totient is φ = 1997917143264.

The previous prime is 2138203018387. The next prime is 2138203018507. The reversal of 2138203018411 is 1148103028312.

It is not a de Polignac number, because 2138203018411 - 2¹⁷ = 2138202887339 is a prime.

It is a super-2 number, since 2×2138203018411² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2138203013411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40542141 + ... + 40594846.

It is an arithmetic number, because the mean of its divisors is an integer number (190631353306).

Almost surely, 2^{2138203018411} is an apocalyptic number.

2138203018411 is a deficient number, since it is larger than the sum of its proper divisors (149373221261).

2138203018411 is an equidigital number, since it uses as much as digits as its factorization.

2138203018411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81137098 (or 81137079 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

Subtracting from 2138203018411 its reverse (1148103028312), we obtain a palindrome (990099990099).

The spelling of 2138203018411 in words is "two trillion, one hundred thirty-eight billion, two hundred three million, eighteen thousand, four hundred eleven".