2111412012140 has 12 divisors (see below), whose sum is σ = 4433965225536. Its totient is φ = 844564804848.

The previous prime is 2111412012137. The next prime is 2111412012221. The reversal of 2111412012140 is 412102141112.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 105570600607 = 2111412012140 / (2 + 1 + 1 + 1 + 4 + 1 + 2 + 0 + 1 + 2 + 1 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52785300284 + ... + 52785300323.

It is an arithmetic number, because the mean of its divisors is an integer number (369497102128).

Almost surely, 2^{2111412012140} is an apocalyptic number.

2111412012140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111412012140 is an abundant number, since it is smaller than the sum of its proper divisors (2322553213396).

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

2111412012140 is a wasteful number, since it uses less digits than its factorization.

2111412012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105570600616 (or 105570600614 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 2111412012140 its reverse (412102141112), we get a palindrome (2523514153252).

The spelling of 2111412012140 in words is "two trillion, one hundred eleven billion, four hundred twelve million, twelve thousand, one hundred forty".