20221111102 has 16 divisors (see below), whose sum is σ = 30641051232. Its totient is φ = 10007917920.

The previous prime is 20221111037. The next prime is 20221111103. The reversal of 20221111102 is 20111112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39849 + ... + 205012.

It is an arithmetic number, because the mean of its divisors is an integer number (1915065702).

Almost surely, 2^20221111102 is an apocalyptic number.

20221111102 is a deficient number, since it is larger than the sum of its proper divisors (10419940130).

20221111102 is a wasteful number, since it uses less digits than its factorization.

20221111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245283.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20221111102 its reverse (20111112202), we get a palindrome (40332223304).

It can be divided in two parts, 20 and 221111102, that added together give a palindrome (221111122).

The spelling of 20221111102 in words is "twenty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".