102122220001 has 2 divisors, whose sum is σ = 102122220002. Its totient is φ = 102122220000.

The previous prime is 102122219993. The next prime is 102122220059. The reversal of 102122220001 is 100022221201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101404033600 + 718186401 = 318440^2 + 26799^2 .

It is a cyclic number.

It is not a de Polignac number, because 102122220001 - 2³ = 102122219993 is a prime.

It is not a weakly prime, because it can be changed into another prime (102122220901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061110000 + 51061110001.

It is an arithmetic number, because the mean of its divisors is an integer number (51061110001).

Almost surely, 2^102122220001 is an apocalyptic number.

It is an amenable number.

102122220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122220001 is an equidigital number, since it uses as much as digits as its factorization.

102122220001 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 102122220001 its reverse (100022221201), we get a palindrome (202144441202).

The spelling of 102122220001 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty thousand, one".