21201010022202 has 32 divisors (see below), whose sum is σ = 43035416254464. Its totient is φ = 6961439905200.

The previous prime is 21201010022201. The next prime is 21201010022249. The reversal of 21201010022202 is 20222001010212.

It is not an unprimeable number, because it can be changed into a prime (21201010022201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37941177 + ... + 38495907.

It is an arithmetic number, because the mean of its divisors is an integer number (1344856757952).

Almost surely, 2^{21201010022202} is an apocalyptic number.

21201010022202 is an abundant number, since it is smaller than the sum of its proper divisors (21834406232262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21201010022202 is a wasteful number, since it uses less digits than its factorization.

21201010022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649874.

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

Adding to 21201010022202 its reverse (20222001010212), we get a palindrome (41423011032414).

The spelling of 21201010022202 in words is "twenty-one trillion, two hundred one billion, ten million, twenty-two thousand, two hundred two".