102220200020101 has 4 divisors (see below), whose sum is σ = 102220275339532. Its totient is φ = 102220124700672.

The previous prime is 102220200020093. The next prime is 102220200020129. The reversal of 102220200020101 is 101020002022201.

It is a happy number.

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 63606590439876 + 38613609580225 = 7975374^2 + 6213985^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220200020101 - 2³ = 102220200020093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220200000101) 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, 35585916 + ... + 38350981.

It is an arithmetic number, because the mean of its divisors is an integer number (25555068834883).

Almost surely, 2^{102220200020101} is an apocalyptic number.

It is an amenable number.

102220200020101 is a deficient number, since it is larger than the sum of its proper divisors (75319431).

102220200020101 is an equidigital number, since it uses as much as digits as its factorization.

102220200020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75319430.

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

Adding to 102220200020101 its reverse (101020002022201), we get a palindrome (203240202042302).

The spelling of 102220200020101 in words is "one hundred two trillion, two hundred twenty billion, two hundred million, twenty thousand, one hundred one".