2111452340206 has 64 divisors (see below), whose sum is σ = 3587897327616. Its totient is φ = 923591289600.

The previous prime is 2111452340201. The next prime is 2111452340213. The reversal of 2111452340206 is 6020432541112.

It is a super-2 number, since 2×2111452340206² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111452340201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19764571 + ... + 19871113.

It is an arithmetic number, because the mean of its divisors is an integer number (56060895744).

Almost surely, 2^{2111452340206} is an apocalyptic number.

2111452340206 is a deficient number, since it is larger than the sum of its proper divisors (1476444987410).

2111452340206 is a wasteful number, since it uses less digits than its factorization.

2111452340206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106897.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 2111452340206 its reverse (6020432541112), we get a palindrome (8131884881318).

The spelling of 2111452340206 in words is "two trillion, one hundred eleven billion, four hundred fifty-two million, three hundred forty thousand, two hundred six".