221021021202022 has 8 divisors (see below), whose sum is σ = 331531680766536. Its totient is φ = 110510460946512.

The previous prime is 221021021201963. The next prime is 221021021202031. The reversal of 221021021202022 is 220202120120122.

221021021202022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18988668 + ... + 28330399.

It is an arithmetic number, because the mean of its divisors is an integer number (41441460095817).

Almost surely, 2^{221021021202022} is an apocalyptic number.

221021021202022 is a deficient number, since it is larger than the sum of its proper divisors (110510659564514).

221021021202022 is a wasteful number, since it uses less digits than its factorization.

221021021202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49654502.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221021021202022 its reverse (220202120120122), we get a palindrome (441223141322144).

The spelling of 221021021202022 in words is "two hundred twenty-one trillion, twenty-one billion, twenty-one million, two hundred two thousand, twenty-two".