22021102220001 has 64 divisors (see below), whose sum is σ = 30240086400000. Its totient is φ = 14248344970496.

The previous prime is 22021102219951. The next prime is 22021102220009. The reversal of 22021102220001 is 10002220112022.

It is a cyclic number.

It is not a de Polignac number, because 22021102220001 - 2¹⁰ = 22021102218977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021102220009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12322943830 + ... + 12322945616.

It is an arithmetic number, because the mean of its divisors is an integer number (472501350000).

Almost surely, 2^{22021102220001} is an apocalyptic number.

It is an amenable number.

22021102220001 is a deficient number, since it is larger than the sum of its proper divisors (8218984179999).

22021102220001 is a wasteful number, since it uses less digits than its factorization.

22021102220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838.

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

Adding to 22021102220001 its reverse (10002220112022), we get a palindrome (32023322332023).

The spelling of 22021102220001 in words is "twenty-two trillion, twenty-one billion, one hundred two million, two hundred twenty thousand, one".