2221112102 has 16 divisors (see below), whose sum is σ = 3641706000. Its totient is φ = 1007607840.

The previous prime is 2221112083. The next prime is 2221112119. The reversal of 2221112102 is 2012111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87977 + ... + 110372.

It is an arithmetic number, because the mean of its divisors is an integer number (227606625).

Almost surely, 2^2221112102 is an apocalyptic number.

2221112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221112102 is a deficient number, since it is larger than the sum of its proper divisors (1420593898).

2221112102 is a wasteful number, since it uses less digits than its factorization.

2221112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198871.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2221112102 is about 47128.6760051670. The cubic root of 2221112102 is about 1304.7385455086.

Adding to 2221112102 its reverse (2012111222), we get a palindrome (4233223324).

The spelling of 2221112102 in words is "two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred two".