2111200223146 has 32 divisors (see below), whose sum is σ = 3695172808320. Its totient is φ = 885985330176.

The previous prime is 2111200223107. The next prime is 2111200223147. The reversal of 2111200223146 is 6413220021112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111200223146.

It is not an unprimeable number, because it can be changed into a prime (2111200223147) 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, 7288711 + ... + 7572826.

It is an arithmetic number, because the mean of its divisors is an integer number (115474150260).

Almost surely, 2^{2111200223146} is an apocalyptic number.

2111200223146 is a deficient number, since it is larger than the sum of its proper divisors (1583972585174).

2111200223146 is a wasteful number, since it uses less digits than its factorization.

2111200223146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14861758.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 2111200223146 its reverse (6413220021112), we get a palindrome (8524420244258).

The spelling of 2111200223146 in words is "two trillion, one hundred eleven billion, two hundred million, two hundred twenty-three thousand, one hundred forty-six".