20221121102 has 128 divisors (see below), whose sum is σ = 39450378240. Its totient is φ = 7559516160.

The previous prime is 20221121101. The next prime is 20221121113. The reversal of 20221121102 is 20112112202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65019527 + ... + 65019837.

It is an arithmetic number, because the mean of its divisors is an integer number (308206080).

Almost surely, 2^20221121102 is an apocalyptic number.

20221121102 is a deficient number, since it is larger than the sum of its proper divisors (19229257138).

20221121102 is a wasteful number, since it uses less digits than its factorization.

20221121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

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

Adding to 20221121102 its reverse (20112112202), we get a palindrome (40333233304).

It can be divided in two parts, 20 and 221121102, that added together give a palindrome (221121122).

The spelling of 20221121102 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred two".