20022122101001 has 4 divisors (see below), whose sum is σ = 20030205317892. Its totient is φ = 20014038884112.

The previous prime is 20022122100991. The next prime is 20022122101013. The reversal of 20022122101001 is 10010122122002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4378238195776 + 15643883905225 = 2092424^2 + 3955235^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022122101001 - 2¹⁰ = 20022122099977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022122101061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4041604730 + ... + 4041609683.

It is an arithmetic number, because the mean of its divisors is an integer number (5007551329473).

Almost surely, 2^{20022122101001} is an apocalyptic number.

It is an amenable number.

20022122101001 is a deficient number, since it is larger than the sum of its proper divisors (8083216891).

20022122101001 is an equidigital number, since it uses as much as digits as its factorization.

20022122101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083216890.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20022122101001 its reverse (10010122122002), we get a palindrome (30032244223003).

The spelling of 20022122101001 in words is "twenty trillion, twenty-two billion, one hundred twenty-two million, one hundred one thousand, one".