102220220220001 has 4 divisors (see below), whose sum is σ = 110083314083092. Its totient is φ = 94357126356912.

The previous prime is 102220220219959. The next prime is 102220220220031. The reversal of 102220220220001 is 100022022022201.

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 14480954998225 + 87739265221776 = 3805385^2 + 9366924^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220220220001 - 2³⁹ = 101670464406113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102220220220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931546931526 + ... + 3931546931551.

It is an arithmetic number, because the mean of its divisors is an integer number (27520828520773).

Almost surely, 2^{102220220220001} is an apocalyptic number.

It is an amenable number.

102220220220001 is a deficient number, since it is larger than the sum of its proper divisors (7863093863091).

102220220220001 is an equidigital number, since it uses as much as digits as its factorization.

102220220220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863093863090.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102220220220001 its reverse (100022022022201), we get a palindrome (202242242242202).

The spelling of 102220220220001 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, one".