22021120221010 has 32 divisors (see below), whose sum is σ = 40119928242480. Its totient is φ = 8701537016832.

The previous prime is 22021120220987. The next prime is 22021120221019. The reversal of 22021120221010 is 1012202112022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 92288971681 + 21928831249329 = 303791^2 + 4682823^2 .

It is a super-2 number, since 2×22021120221010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22021120221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10301169 + ... + 12253828.

Almost surely, 2^{22021120221010} is an apocalyptic number.

22021120221010 is a deficient number, since it is larger than the sum of its proper divisors (18098808021470).

22021120221010 is a wasteful number, since it uses less digits than its factorization.

22021120221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556190.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021120221010 its reverse (1012202112022), we get a palindrome (23033322333032).

The spelling of 22021120221010 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, ten".