2111200223130 has 48 divisors (see below), whose sum is σ = 5637475199304. Its totient is φ = 547770867840.

The previous prime is 2111200223107. The next prime is 2111200223147. The reversal of 2111200223130 is 313220021112.

2111200223130 is a `hidden beast` number, since 2 + 111 + 200 + 223 + 130 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2036640097881 + 74560125249 = 1427109^2 + 273057^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316993701 + ... + 317000360.

Almost surely, 2^{2111200223130} is an apocalyptic number.

2111200223130 is an abundant number, since it is smaller than the sum of its proper divisors (3526274976174).

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

2111200223130 is a wasteful number, since it uses less digits than its factorization.

2111200223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633994111 (or 633994108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2111200223130 its reverse (313220021112), we get a palindrome (2424420244242).

The spelling of 2111200223130 in words is "two trillion, one hundred eleven billion, two hundred million, two hundred twenty-three thousand, one hundred thirty".