20112221014 has 4 divisors (see below), whose sum is σ = 30168331524. Its totient is φ = 10056110506.

The previous prime is 20112221011. The next prime is 20112221099. The reversal of 20112221014 is 41012221102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028055252 + ... + 5028055255.

It is an arithmetic number, because the mean of its divisors is an integer number (7542082881).

Almost surely, 2^20112221014 is an apocalyptic number.

20112221014 is a deficient number, since it is larger than the sum of its proper divisors (10056110510).

20112221014 is a wasteful number, since it uses less digits than its factorization.

20112221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056110509.

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

Adding to 20112221014 its reverse (41012221102), we get a palindrome (61124442116).

The spelling of 20112221014 in words is "twenty billion, one hundred twelve million, two hundred twenty-one thousand, fourteen".