20221011002021 has 16 divisors (see below), whose sum is σ = 22152153067200. Its totient is φ = 18372477005568.

The previous prime is 20221011002009. The next prime is 20221011002051. The reversal of 20221011002021 is 12020011012202.

It is not a de Polignac number, because 20221011002021 - 2⁶ = 20221011001957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221011001987 and 20221011002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221011002051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110750 + ... + 6360368.

It is an arithmetic number, because the mean of its divisors is an integer number (1384509566700).

Almost surely, 2^{20221011002021} is an apocalyptic number.

It is an amenable number.

20221011002021 is a deficient number, since it is larger than the sum of its proper divisors (1931142065179).

20221011002021 is a wasteful number, since it uses less digits than its factorization.

20221011002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256228.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221011002021 its reverse (12020011012202), we get a palindrome (32241022014223).

The spelling of 20221011002021 in words is "twenty trillion, two hundred twenty-one billion, eleven million, two thousand, twenty-one".