20102202221101 has 64 divisors (see below), whose sum is σ = 27402680987136. Its totient is φ = 14239875686400.

The previous prime is 20102202221099. The next prime is 20102202221107. The reversal of 20102202221101 is 10112220220102.

It is a happy number.

It is not a de Polignac number, because 20102202221101 - 2¹ = 20102202221099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102202221107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17192761 + ... + 18324721.

It is an arithmetic number, because the mean of its divisors is an integer number (428166890424).

Almost surely, 2^{20102202221101} is an apocalyptic number.

It is an amenable number.

20102202221101 is a deficient number, since it is larger than the sum of its proper divisors (7300478766035).

20102202221101 is a wasteful number, since it uses less digits than its factorization.

20102202221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132262.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102202221101 its reverse (10112220220102), we get a palindrome (30214422441203).

The spelling of 20102202221101 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred twenty-one thousand, one hundred one".