22021103121 has 8 divisors (see below), whose sum is σ = 29630842560. Its totient is φ = 14546049552.

The previous prime is 22021103101. The next prime is 22021103171. The reversal of 22021103121 is 12130112022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22021103121 - 2⁵ = 22021103089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22021103121.

It is not an unprimeable number, because it can be changed into a prime (22021103101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33671085 + ... + 33671738.

It is an arithmetic number, because the mean of its divisors is an integer number (3703855320).

Almost surely, 2^22021103121 is an apocalyptic number.

It is an amenable number.

22021103121 is a deficient number, since it is larger than the sum of its proper divisors (7609739439).

22021103121 is a wasteful number, since it uses less digits than its factorization.

22021103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67342935.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22021103121 its reverse (12130112022), we get a palindrome (34151215143).

The spelling of 22021103121 in words is "twenty-two billion, twenty-one million, one hundred three thousand, one hundred twenty-one".