2111412134420 has 24 divisors (see below), whose sum is σ = 4586860845000. Its totient is φ = 815441927552.

The previous prime is 2111412134401. The next prime is 2111412134423. The reversal of 2111412134420 is 244312141112.

It can be written as a sum of positive squares in 4 ways, for example, as 31073228176 + 2080338906244 = 176276^2 + 1442338^2 .

It is a super-2 number, since 2×2111412134420² (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 2111412134420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111412134423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820182295 + ... + 1820183454.

It is an arithmetic number, because the mean of its divisors is an integer number (191119201875).

Almost surely, 2^{2111412134420} is an apocalyptic number.

2111412134420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111412134420 is an abundant number, since it is smaller than the sum of its proper divisors (2475448710580).

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

2111412134420 is a wasteful number, since it uses less digits than its factorization.

2111412134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640365787 (or 3640365785 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 2111412134420 its reverse (244312141112), we get a palindrome (2355724275532).

The spelling of 2111412134420 in words is "two trillion, one hundred eleven billion, four hundred twelve million, one hundred thirty-four thousand, four hundred twenty".