20102201022101 has 4 divisors (see below), whose sum is σ = 21929673842304. Its totient is φ = 18274728201900.

The previous prime is 20102201022091. The next prime is 20102201022133. The reversal of 20102201022101 is 10122010220102.

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 20102201022101 - 2²⁶ = 20102133913237 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 (20102201022151) 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, 913736410085 + ... + 913736410106.

It is an arithmetic number, because the mean of its divisors is an integer number (5482418460576).

Almost surely, 2^{20102201022101} is an apocalyptic number.

It is an amenable number.

20102201022101 is a deficient number, since it is larger than the sum of its proper divisors (1827472820203).

20102201022101 is a wasteful number, since it uses less digits than its factorization.

20102201022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827472820202.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102201022101 its reverse (10122010220102), we get a palindrome (30224211242203).

The spelling of 20102201022101 in words is "twenty trillion, one hundred two billion, two hundred one million, twenty-two thousand, one hundred one".