2220021102 has 32 divisors (see below), whose sum is σ = 4787532288. Its totient is φ = 682233696.

The previous prime is 2220021101. The next prime is 2220021121. The reversal of 2220021102 is 2011200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220021101) 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, 46903 + ... + 81485.

It is an arithmetic number, because the mean of its divisors is an integer number (149610384).

Almost surely, 2^2220021102 is an apocalyptic number.

2220021102 is an abundant number, since it is smaller than the sum of its proper divisors (2567511186).

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

2220021102 is a wasteful number, since it uses less digits than its factorization.

2220021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35424.

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

The square root of 2220021102 is about 47117.0998895306. The cubic root of 2220021102 is about 1304.5248833402.

Adding to 2220021102 its reverse (2011200222), we get a palindrome (4231221324).

The spelling of 2220021102 in words is "two billion, two hundred twenty million, twenty-one thousand, one hundred two".