2221120102 has 16 divisors (see below), whose sum is σ = 3519529200. Its totient is φ = 1048360320.

The previous prime is 2221120093. The next prime is 2221120127. The reversal of 2221120102 is 2010211222.

It is a happy number.

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, 93327 + ... + 114682.

It is an arithmetic number, because the mean of its divisors is an integer number (219970575).

Almost surely, 2^2221120102 is an apocalyptic number.

2221120102 is a deficient number, since it is larger than the sum of its proper divisors (1298409098).

2221120102 is a wasteful number, since it uses less digits than its factorization.

2221120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208311.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2221120102 is about 47128.7608791065. The cubic root of 2221120102 is about 1304.7401119755.

Adding to 2221120102 its reverse (2010211222), we get a palindrome (4231331324).

It can be divided in two parts, 2221120 and 102, that added together give a palindrome (2221222).

The spelling of 2221120102 in words is "two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred two".