102220101001 has 4 divisors (see below), whose sum is σ = 105744932100. Its totient is φ = 98695269904.

The previous prime is 102220100999. The next prime is 102220101017. The reversal of 102220101001 is 100101022201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76659765625 + 25560335376 = 276875^2 + 159876^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220101001 - 2¹ = 102220100999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102220101041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762415506 + ... + 1762415563.

It is an arithmetic number, because the mean of its divisors is an integer number (26436233025).

Almost surely, 2^102220101001 is an apocalyptic number.

It is an amenable number.

102220101001 is a deficient number, since it is larger than the sum of its proper divisors (3524831099).

102220101001 is an equidigital number, since it uses as much as digits as its factorization.

102220101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524831098.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102220101001 its reverse (100101022201), we get a palindrome (202321123202).

The spelling of 102220101001 in words is "one hundred two billion, two hundred twenty million, one hundred one thousand, one".