20202201101 has 2 divisors, whose sum is σ = 20202201102. Its totient is φ = 20202201100.

The previous prime is 20202201091. The next prime is 20202201109. The reversal of 20202201101 is 10110220202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15819099076 + 4383102025 = 125774^2 + 66205^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202201101 - 2⁶ = 20202201037 is a prime.

It is a super-2 number, since 2×20202201101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202201109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101100550 + 10101100551.

It is an arithmetic number, because the mean of its divisors is an integer number (10101100551).

Almost surely, 2^20202201101 is an apocalyptic number.

It is an amenable number.

20202201101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202201101 is an equidigital number, since it uses as much as digits as its factorization.

20202201101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20202201101 its reverse (10110220202), we get a palindrome (30312421303).

The spelling of 20202201101 in words is "twenty billion, two hundred two million, two hundred one thousand, one hundred one".