22121020214 has 8 divisors (see below), whose sum is σ = 33743929320. Its totient is φ = 10873043776.

The previous prime is 22121020193. The next prime is 22121020217. The reversal of 22121020214 is 41202012122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22121020192 and 22121020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121020217) 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 3 ways as a sum of consecutive naturals, for example, 93733019 + ... + 93733254.

It is an arithmetic number, because the mean of its divisors is an integer number (4217991165).

Almost surely, 2^22121020214 is an apocalyptic number.

22121020214 is a deficient number, since it is larger than the sum of its proper divisors (11622909106).

22121020214 is a wasteful number, since it uses less digits than its factorization.

22121020214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187466334.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22121020214 its reverse (41202012122), we get a palindrome (63323032336).

The spelling of 22121020214 in words is "twenty-two billion, one hundred twenty-one million, twenty thousand, two hundred fourteen".