2102211042 has 16 divisors (see below), whose sum is σ = 4209304320. Its totient is φ = 699923312.

The previous prime is 2102211037. The next prime is 2102211043. The reversal of 2102211042 is 2401122012.

It is not an unprimeable number, because it can be changed into a prime (2102211043) 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 7 ways as a sum of consecutive naturals, for example, 197817 + ... + 208172.

It is an arithmetic number, because the mean of its divisors is an integer number (263081520).

Almost surely, 2^2102211042 is an apocalyptic number.

2102211042 is an abundant number, since it is smaller than the sum of its proper divisors (2107093278).

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

2102211042 is a wasteful number, since it uses less digits than its factorization.

2102211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406857.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2102211042 is about 45849.8750489028. The cubic root of 2102211042 is about 1281.0284381920.

Adding to 2102211042 its reverse (2401122012), we get a palindrome (4503333054).

The spelling of 2102211042 in words is "two billion, one hundred two million, two hundred eleven thousand, forty-two".