20000022212101 has 2 divisors, whose sum is σ = 20000022212102. Its totient is φ = 20000022212100.

The previous prime is 20000022212089. The next prime is 20000022212113. The reversal of 20000022212101 is 10121222000002.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20000022212089) and next prime (20000022212113).

It can be written as a sum of positive squares in only one way, i.e., 19849653537025 + 150368675076 = 4455295^2 + 387774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000022212101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000022210101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000011106050 + 10000011106051.

It is an arithmetic number, because the mean of its divisors is an integer number (10000011106051).

Almost surely, 2^{20000022212101} is an apocalyptic number.

It is an amenable number.

20000022212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000022212101 is an equidigital number, since it uses as much as digits as its factorization.

20000022212101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20000022212101 its reverse (10121222000002), we get a palindrome (30121244212103).

The spelling of 20000022212101 in words is "twenty trillion, twenty-two million, two hundred twelve thousand, one hundred one".