2215021102 has 64 divisors (see below), whose sum is σ = 4177267200. Its totient is φ = 859420800.

The previous prime is 2215021099. The next prime is 2215021111. The reversal of 2215021102 is 2011205122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777693 + ... + 780535.

It is an arithmetic number, because the mean of its divisors is an integer number (65269800).

Almost surely, 2^2215021102 is an apocalyptic number.

2215021102 is a deficient number, since it is larger than the sum of its proper divisors (1962246098).

2215021102 is a wasteful number, since it uses less digits than its factorization.

2215021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2215021102 is about 47064.0106875732. The cubic root of 2215021102 is about 1303.5447834415.

Adding to 2215021102 its reverse (2011205122), we get a palindrome (4226226224).

The spelling of 2215021102 in words is "two billion, two hundred fifteen million, twenty-one thousand, one hundred two".