20022122121001 has 16 divisors (see below), whose sum is σ = 26882849282688. Its totient is φ = 14401526400000.

The previous prime is 20022122120983. The next prime is 20022122121013. The reversal of 20022122121001 is 10012122122002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20022122121001 - 2¹⁹ = 20022121596713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022122122001) 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, 10001059000 + ... + 10001061001.

It is an arithmetic number, because the mean of its divisors is an integer number (1680178080168).

Almost surely, 2^{20022122121001} is an apocalyptic number.

It is an amenable number.

20022122121001 is a deficient number, since it is larger than the sum of its proper divisors (6860727161687).

20022122121001 is a wasteful number, since it uses less digits than its factorization.

20022122121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002120032.

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

Adding to 20022122121001 its reverse (10012122122002), we get a palindrome (30034244243003).

The spelling of 20022122121001 in words is "twenty trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, one".