2111113441140 has 96 divisors (see below), whose sum is σ = 6448767454080. Its totient is φ = 511763212800.

The previous prime is 2111113441139. The next prime is 2111113441141. The reversal of 2111113441140 is 411443111112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2111113441139) and next prime (2111113441141).

It is a super-2 number, since 2×2111113441140² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111113441140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111113441141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19739410 + ... + 19846070.

It is an arithmetic number, because the mean of its divisors is an integer number (67174660980).

Almost surely, 2^{2111113441140} is an apocalyptic number.

2111113441140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111113441140 is an abundant number, since it is smaller than the sum of its proper divisors (4337654012940).

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

2111113441140 is a wasteful number, since it uses less digits than its factorization.

2111113441140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136673 (or 136671 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 2111113441140 its reverse (411443111112), we get a palindrome (2522556552252).

The spelling of 2111113441140 in words is "two trillion, one hundred eleven billion, one hundred thirteen million, four hundred forty-one thousand, one hundred forty".