20101102201 has 4 divisors (see below), whose sum is σ = 20108235600. Its totient is φ = 20093968804.

The previous prime is 20101102163. The next prime is 20101102207. The reversal of 20101102201 is 10220110102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20101102201 - 2¹³ = 20101094009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101102207) 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, 3562471 + ... + 3568108.

It is an arithmetic number, because the mean of its divisors is an integer number (5027058900).

Almost surely, 2^20101102201 is an apocalyptic number.

It is an amenable number.

20101102201 is a deficient number, since it is larger than the sum of its proper divisors (7133399).

20101102201 is an equidigital number, since it uses as much as digits as its factorization.

20101102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133398.

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

Adding to 20101102201 its reverse (10220110102), we get a palindrome (30321212303).

The spelling of 20101102201 in words is "twenty billion, one hundred one million, one hundred two thousand, two hundred one".