22212010020121 has 64 divisors (see below), whose sum is σ = 24352797173760. Its totient is φ = 20181417984000.

The previous prime is 22212010020119. The next prime is 22212010020127. The reversal of 22212010020121 is 12102001021222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22212010020121 - 2¹ = 22212010020119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212010020095 and 22212010020104.

It is not an unprimeable number, because it can be changed into a prime (22212010020127) 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 63 ways as a sum of consecutive naturals, for example, 5905876881 + ... + 5905880641.

It is an arithmetic number, because the mean of its divisors is an integer number (380512455840).

Almost surely, 2^{22212010020121} is an apocalyptic number.

It is an amenable number.

22212010020121 is a deficient number, since it is larger than the sum of its proper divisors (2140787153639).

22212010020121 is a wasteful number, since it uses less digits than its factorization.

22212010020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426.

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

Adding to 22212010020121 its reverse (12102001021222), we get a palindrome (34314011041343).

The spelling of 22212010020121 in words is "twenty-two trillion, two hundred twelve billion, ten million, twenty thousand, one hundred twenty-one".