10202212020021 has 16 divisors (see below), whose sum is σ = 15546312657024. Its totient is φ = 5829803633664.

The previous prime is 10202212020001. The next prime is 10202212020029. The reversal of 10202212020021 is 12002021220201.

It is not a de Polignac number, because 10202212020021 - 2⁷ = 10202212019893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202212020029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2933821 + ... + 5386253.

It is an arithmetic number, because the mean of its divisors is an integer number (971644541064).

Almost surely, 2^{10202212020021} is an apocalyptic number.

It is an amenable number.

10202212020021 is a deficient number, since it is larger than the sum of its proper divisors (5344100637003).

10202212020021 is a wasteful number, since it uses less digits than its factorization.

10202212020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650540.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10202212020021 its reverse (12002021220201), we get a palindrome (22204233240222).

The spelling of 10202212020021 in words is "ten trillion, two hundred two billion, two hundred twelve million, twenty thousand, twenty-one".