22220210220121 has 16 divisors (see below), whose sum is σ = 23480601730560. Its totient is φ = 20984361615360.

The previous prime is 22220210220119. The next prime is 22220210220127. The reversal of 22220210220121 is 12102201202222.

It is a cyclic number.

It is not a de Polignac number, because 22220210220121 - 2¹ = 22220210220119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220210220127) 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 15 ways as a sum of consecutive naturals, for example, 57721401 + ... + 58105081.

It is an arithmetic number, because the mean of its divisors is an integer number (1467537608160).

Almost surely, 2^{22220210220121} is an apocalyptic number.

It is an amenable number.

22220210220121 is a deficient number, since it is larger than the sum of its proper divisors (1260391510439).

22220210220121 is a wasteful number, since it uses less digits than its factorization.

22220210220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415656.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22220210220121 its reverse (12102201202222), we get a palindrome (34322411422343).

The spelling of 22220210220121 in words is "twenty-two trillion, two hundred twenty billion, two hundred ten million, two hundred twenty thousand, one hundred twenty-one".