21200022210202 has 24 divisors (see below), whose sum is σ = 35037821252736. Its totient is φ = 9540963990000.

The previous prime is 21200022210197. The next prime is 21200022210209. The reversal of 21200022210202 is 20201222000212.

It is not an unprimeable number, because it can be changed into a prime (21200022210209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47008074 + ... + 47456917.

It is an arithmetic number, because the mean of its divisors is an integer number (1459909218864).

Almost surely, 2^{21200022210202} is an apocalyptic number.

21200022210202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21200022210202 is a deficient number, since it is larger than the sum of its proper divisors (13837799042534).

21200022210202 is a wasteful number, since it uses less digits than its factorization.

21200022210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94465206 (or 94465105 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21200022210202 its reverse (20201222000212), we get a palindrome (41401244210414).

The spelling of 21200022210202 in words is "twenty-one trillion, two hundred billion, twenty-two million, two hundred ten thousand, two hundred two".