102220212001 has 4 divisors (see below), whose sum is σ = 102385885572. Its totient is φ = 102054538432.

The previous prime is 102220211987. The next prime is 102220212079. The reversal of 102220212001 is 100212022201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100212022201 = 317 ⋅316126253.

It can be written as a sum of positive squares in 2 ways, for example, as 54381773601 + 47838438400 = 233199^2 + 218720^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220212001 - 2²³ = 102211823393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102220215001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82835860 + ... + 82837093.

It is an arithmetic number, because the mean of its divisors is an integer number (25596471393).

Almost surely, 2^102220212001 is an apocalyptic number.

It is an amenable number.

102220212001 is a deficient number, since it is larger than the sum of its proper divisors (165673571).

102220212001 is an equidigital number, since it uses as much as digits as its factorization.

102220212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165673570.

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

Adding to 102220212001 its reverse (100212022201), we get a palindrome (202432234202).

The spelling of 102220212001 in words is "one hundred two billion, two hundred twenty million, two hundred twelve thousand, one".