20022002101 has 2 divisors, whose sum is σ = 20022002102. Its totient is φ = 20022002100.

The previous prime is 20022002089. The next prime is 20022002107. The reversal of 20022002101 is 10120022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19614002500 + 407999601 = 140050^2 + 20199^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022002101 - 2¹³ = 20021993909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011001050 + 10011001051.

It is an arithmetic number, because the mean of its divisors is an integer number (10011001051).

Almost surely, 2^20022002101 is an apocalyptic number.

It is an amenable number.

20022002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022002101 is an equidigital number, since it uses as much as digits as its factorization.

20022002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20022002101 its reverse (10120022002), we get a palindrome (30142024103).

It can be divided in two parts, 20022002 and 101, that multiplied together give a palindrome (2022222202).

The spelling of 20022002101 in words is "twenty billion, twenty-two million, two thousand, one hundred one".