101102210020201 has 4 divisors (see below), whose sum is σ = 108879303098692. Its totient is φ = 93325116941712.

The previous prime is 101102210020187. The next prime is 101102210020243. The reversal of 101102210020201 is 102020012201101.

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 28431716979600 + 72670493040601 = 5332140^2 + 8524699^2 .

It is a cyclic number.

It is not a de Polignac number, because 101102210020201 - 2⁷ = 101102210020073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7777093078477 = 101102210020201 / (1 + 0 + 1 + 1 + 0 + 2 + 2 + 1 + 0 + 0 + 2 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101102210020261) 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, 3888546539226 + ... + 3888546539251.

It is an arithmetic number, because the mean of its divisors is an integer number (27219825774673).

Almost surely, 2^{101102210020201} is an apocalyptic number.

It is an amenable number.

101102210020201 is a deficient number, since it is larger than the sum of its proper divisors (7777093078491).

101102210020201 is an equidigital number, since it uses as much as digits as its factorization.

101102210020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777093078490.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101102210020201 its reverse (102020012201101), we get a palindrome (203122222221302).

The spelling of 101102210020201 in words is "one hundred one trillion, one hundred two billion, two hundred ten million, twenty thousand, two hundred one".