21022200120201 has 24 divisors (see below), whose sum is σ = 32606262637344. Its totient is φ = 12012537962880.

The previous prime is 21022200120127. The next prime is 21022200120203. The reversal of 21022200120201 is 10202100222012.

It is not a de Polignac number, because 21022200120201 - 2¹⁰ = 21022200119177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21022200120203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11718241 + ... + 13392593.

It is an arithmetic number, because the mean of its divisors is an integer number (1358594276556).

Almost surely, 2^{21022200120201} is an apocalyptic number.

21022200120201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21022200120201 is a deficient number, since it is larger than the sum of its proper divisors (11584062517143).

21022200120201 is a wasteful number, since it uses less digits than its factorization.

21022200120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759781 (or 1759774 counting only the distinct ones).

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

Adding to 21022200120201 its reverse (10202100222012), we get a palindrome (31224300342213).

The spelling of 21022200120201 in words is "twenty-one trillion, twenty-two billion, two hundred million, one hundred twenty thousand, two hundred one".