222020002002021 has 4 divisors (see below), whose sum is σ = 296026669336032. Its totient is φ = 148013334668012.

The previous prime is 222020002002017. The next prime is 222020002002053. The reversal of 222020002002021 is 120200200020222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222020002002021 - 2² = 222020002002017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020002052021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37003333667001 + ... + 37003333667006.

It is an arithmetic number, because the mean of its divisors is an integer number (74006667334008).

Almost surely, 2^{222020002002021} is an apocalyptic number.

It is an amenable number.

222020002002021 is a deficient number, since it is larger than the sum of its proper divisors (74006667334011).

222020002002021 is an equidigital number, since it uses as much as digits as its factorization.

222020002002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74006667334010.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222020002002021 its reverse (120200200020222), we get a palindrome (342220202022243).

The spelling of 222020002002021 in words is "two hundred twenty-two trillion, twenty billion, two million, two thousand, twenty-one".