2100111130 has 32 divisors (see below), whose sum is σ = 4128340608. Its totient is φ = 764500800.

The previous prime is 2100111127. The next prime is 2100111137. The reversal of 2100111130 is 311110012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2100111137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104536 + ... + 122995.

It is an arithmetic number, because the mean of its divisors is an integer number (129010644).

Almost surely, 2^2100111130 is an apocalyptic number.

2100111130 is a deficient number, since it is larger than the sum of its proper divisors (2028229478).

2100111130 is a wasteful number, since it uses less digits than its factorization.

2100111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227622.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2100111130 is about 45826.9694612245. The cubic root of 2100111130 is about 1280.6017535990.

Adding to 2100111130 its reverse (311110012), we get a palindrome (2411221142).

It can be divided in two parts, 21001 and 11130, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 2100111130 in words is "two billion, one hundred million, one hundred eleven thousand, one hundred thirty".