20220011222021 has 8 divisors (see below), whose sum is σ = 22082092429824. Its totient is φ = 18401743689840.

The previous prime is 20220011221999. The next prime is 20220011222039. The reversal of 20220011222021 is 12022211002202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220011222021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220011222051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10953417941 + ... + 10953419786.

It is an arithmetic number, because the mean of its divisors is an integer number (2760261553728).

Almost surely, 2^{20220011222021} is an apocalyptic number.

It is an amenable number.

20220011222021 is a deficient number, since it is larger than the sum of its proper divisors (1862081207803).

20220011222021 is a wasteful number, since it uses less digits than its factorization.

20220011222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21906837811.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20220011222021 its reverse (12022211002202), we get a palindrome (32242222224223).

The spelling of 20220011222021 in words is "twenty trillion, two hundred twenty billion, eleven million, two hundred twenty-two thousand, twenty-one".