22121061502 has 8 divisors (see below), whose sum is σ = 33182370000. Its totient is φ = 11060271504.

The previous prime is 22121061497. The next prime is 22121061503. The reversal of 22121061502 is 20516012122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121061503) 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 3 ways as a sum of consecutive naturals, for example, 4999 + ... + 210397.

It is an arithmetic number, because the mean of its divisors is an integer number (4147796250).

Almost surely, 2^22121061502 is an apocalyptic number.

22121061502 is a deficient number, since it is larger than the sum of its proper divisors (11061308498).

22121061502 is a wasteful number, since it uses less digits than its factorization.

22121061502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259250.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 22121061502 its reverse (20516012122), we get a palindrome (42637073624).

The spelling of 22121061502 in words is "twenty-two billion, one hundred twenty-one million, sixty-one thousand, five hundred two".