2221002102 has 32 divisors (see below), whose sum is σ = 4847641344. Its totient is φ = 672778400.

The previous prime is 2221002101. The next prime is 2221002127. The reversal of 2221002102 is 2012001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221002101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247783 + ... + 256589.

It is an arithmetic number, because the mean of its divisors is an integer number (151488792).

Almost surely, 2^2221002102 is an apocalyptic number.

2221002102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221002102 is an abundant number, since it is smaller than the sum of its proper divisors (2626639242).

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

2221002102 is a wasteful number, since it uses less digits than its factorization.

2221002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2221002102 is about 47127.5089729979. The cubic root of 2221002102 is about 1304.7170062072.

Adding to 2221002102 its reverse (2012001222), we get a palindrome (4233003324).

The spelling of 2221002102 in words is "two billion, two hundred twenty-one million, two thousand, one hundred two".