2111211020043 has 6 divisors (see below), whose sum is σ = 3049527028964. Its totient is φ = 1407474013356.

The previous prime is 2111211020041. The next prime is 2111211020047. The reversal of 2111211020043 is 3400201121112.

2111211020043 is a `hidden beast` number, since 211 + 1 + 211 + 0 + 200 + 43 = 666.

It is not a de Polignac number, because 2111211020043 - 2¹ = 2111211020041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111211019998 and 2111211020025.

It is not an unprimeable number, because it can be changed into a prime (2111211020041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117289501105 + ... + 117289501122.

Almost surely, 2^{2111211020043} is an apocalyptic number.

2111211020043 is a deficient number, since it is larger than the sum of its proper divisors (938316008921).

2111211020043 is a wasteful number, since it uses less digits than its factorization.

2111211020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234579002233 (or 234579002230 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2111211020043 its reverse (3400201121112), we get a palindrome (5511412141155).

The spelling of 2111211020043 in words is "two trillion, one hundred eleven billion, two hundred eleven million, twenty thousand, forty-three".