2211312100340 has 48 divisors (see below), whose sum is σ = 5379849737472. Its totient is φ = 747778334976.

The previous prime is 2211312100331. The next prime is 2211312100351. The reversal of 2211312100340 is 430012131122.

2211312100340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2211312100340² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108175304 + ... + 108195743.

It is an arithmetic number, because the mean of its divisors is an integer number (112080202864).

Almost surely, 2^{2211312100340} is an apocalyptic number.

2211312100340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211312100340 is an abundant number, since it is smaller than the sum of its proper divisors (3168537637132).

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

2211312100340 is a wasteful number, since it uses less digits than its factorization.

2211312100340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216371136 (or 216371134 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2211312100340 its reverse (430012131122), we get a palindrome (2641324231462).

The spelling of 2211312100340 in words is "two trillion, two hundred eleven billion, three hundred twelve million, one hundred thousand, three hundred forty".