2101211434 has 48 divisors (see below), whose sum is σ = 3794065920. Its totient is φ = 869309280.

The previous prime is 2101211401. The next prime is 2101211467. The reversal of 2101211434 is 4341121012.

It is an interprime number because it is at equal distance from previous prime (2101211401) and next prime (2101211467).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1965052 + ... + 1966120.

It is an arithmetic number, because the mean of its divisors is an integer number (79043040).

Almost surely, 2^2101211434 is an apocalyptic number.

2101211434 is a deficient number, since it is larger than the sum of its proper divisors (1692854486).

2101211434 is a wasteful number, since it uses less digits than its factorization.

2101211434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2101211434 is about 45838.9728724368. The cubic root of 2101211434 is about 1280.8253616426.

Adding to 2101211434 its reverse (4341121012), we get a palindrome (6442332446).

The spelling of 2101211434 in words is "two billion, one hundred one million, two hundred eleven thousand, four hundred thirty-four".