2211220102 has 32 divisors (see below), whose sum is σ = 4159294272. Its totient is φ = 858259584.

The previous prime is 2211220097. The next prime is 2211220129. The reversal of 2211220102 is 2010221122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104973 + ... + 124264.

It is an arithmetic number, because the mean of its divisors is an integer number (129977946).

Almost surely, 2^2211220102 is an apocalyptic number.

2211220102 is a deficient number, since it is larger than the sum of its proper divisors (1948074170).

2211220102 is a wasteful number, since it uses less digits than its factorization.

2211220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229312.

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

The square root of 2211220102 is about 47023.6121751615. The cubic root of 2211220102 is about 1302.7987242474.

Adding to 2211220102 its reverse (2010221122), we get a palindrome (4221441224).

The spelling of 2211220102 in words is "two billion, two hundred eleven million, two hundred twenty thousand, one hundred two".