20110422001 has 2 divisors, whose sum is σ = 20110422002. Its totient is φ = 20110422000.

The previous prime is 20110421957. The next prime is 20110422037. The reversal of 20110422001 is 10022401102.

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., 12927690000 + 7182732001 = 113700^2 + 84751^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110422001 - 2¹³ = 20110413809 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110422601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055211000 + 10055211001.

It is an arithmetic number, because the mean of its divisors is an integer number (10055211001).

Almost surely, 2^20110422001 is an apocalyptic number.

It is an amenable number.

20110422001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110422001 is an equidigital number, since it uses as much as digits as its factorization.

20110422001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20110422001 its reverse (10022401102), we get a palindrome (30132823103).

The spelling of 20110422001 in words is "twenty billion, one hundred ten million, four hundred twenty-two thousand, one".