2111200223106 has 64 divisors (see below), whose sum is σ = 4862353297536. Its totient is φ = 605334912000.

The previous prime is 2111200223029. The next prime is 2111200223107. The reversal of 2111200223106 is 6013220021112.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2111200223107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7748040 + ... + 8015891.

It is an arithmetic number, because the mean of its divisors is an integer number (75974270274).

Almost surely, 2^{2111200223106} is an apocalyptic number.

2111200223106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2111200223106 is an abundant number, since it is smaller than the sum of its proper divisors (2751153074430).

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

2111200223106 is a wasteful number, since it uses less digits than its factorization.

2111200223106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15764067.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2111200223106 its reverse (6013220021112), we get a palindrome (8124420244218).

The spelling of 2111200223106 in words is "two trillion, one hundred eleven billion, two hundred million, two hundred twenty-three thousand, one hundred six".