2220102222021 has 32 divisors (see below), whose sum is σ = 3302487027840. Its totient is φ = 1474029446400.

The previous prime is 2220102222007. The next prime is 2220102222029. The reversal of 2220102222021 is 1202222010222.

It is not a de Polignac number, because 2220102222021 - 2²² = 2220098027717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220102221985 and 2220102222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220102222029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6339261 + ... + 6680301.

It is an arithmetic number, because the mean of its divisors is an integer number (103202719620).

Almost surely, 2^{2220102222021} is an apocalyptic number.

It is an amenable number.

2220102222021 is a deficient number, since it is larger than the sum of its proper divisors (1082384805819).

2220102222021 is a wasteful number, since it uses less digits than its factorization.

2220102222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342034 (or 342028 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220102222021 its reverse (1202222010222), we get a palindrome (3422324232243).

The spelling of 2220102222021 in words is "two trillion, two hundred twenty billion, one hundred two million, two hundred twenty-two thousand, twenty-one".