2111203010343 has 16 divisors (see below), whose sum is σ = 3217094242560. Its totient is φ = 1206393099456.

The previous prime is 2111203010321. The next prime is 2111203010363. The reversal of 2111203010343 is 3430103021112.

It is not a de Polignac number, because 2111203010343 - 2⁸ = 2111203010087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111203010363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3734596 + ... + 4262582.

It is an arithmetic number, because the mean of its divisors is an integer number (201068390160).

Almost surely, 2^{2111203010343} is an apocalyptic number.

2111203010343 is a deficient number, since it is larger than the sum of its proper divisors (1105891232217).

2111203010343 is a wasteful number, since it uses less digits than its factorization.

2111203010343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718406.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2111203010343 its reverse (3430103021112), we get a palindrome (5541306031455).

The spelling of 2111203010343 in words is "two trillion, one hundred eleven billion, two hundred three million, ten thousand, three hundred forty-three".