20012221201102 has 32 divisors (see below), whose sum is σ = 34096530424320. Its totient is φ = 8732886657120.

The previous prime is 20012221201097. The next prime is 20012221201171. The reversal of 20012221201102 is 20110212221002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40020474 + ... + 40517437.

It is an arithmetic number, because the mean of its divisors is an integer number (1065516575760).

Almost surely, 2^{20012221201102} is an apocalyptic number.

20012221201102 is a deficient number, since it is larger than the sum of its proper divisors (14084309223218).

20012221201102 is a wasteful number, since it uses less digits than its factorization.

20012221201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80538448.

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

Adding to 20012221201102 its reverse (20110212221002), we get a palindrome (40122433422104).

The spelling of 20012221201102 in words is "twenty trillion, twelve billion, two hundred twenty-one million, two hundred one thousand, one hundred two".