2220102021 has 8 divisors (see below), whose sum is σ = 2962048320. Its totient is φ = 1479111872.

The previous prime is 2220101999. The next prime is 2220102037. The reversal of 2220102021 is 1202010222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220102021 - 2¹⁰ = 2220100997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220101988 and 2220102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220102721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233601 + ... + 242918.

It is an arithmetic number, because the mean of its divisors is an integer number (370256040).

Almost surely, 2^2220102021 is an apocalyptic number.

It is an amenable number.

2220102021 is a deficient number, since it is larger than the sum of its proper divisors (741946299).

2220102021 is a wasteful number, since it uses less digits than its factorization.

2220102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478075.

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

The square root of 2220102021 is about 47117.9585826890. The cubic root of 2220102021 is about 1304.5407329743.

Adding to 2220102021 its reverse (1202010222), we get a palindrome (3422112243).

The spelling of 2220102021 in words is "two billion, two hundred twenty million, one hundred two thousand, twenty-one".