22121221120010 has 32 divisors (see below), whose sum is σ = 41914144396800. Its totient is φ = 8382728180160.

The previous prime is 22121221119979. The next prime is 22121221120081. The reversal of 22121221120010 is 1002112212122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51716096 + ... + 52142084.

It is an arithmetic number, because the mean of its divisors is an integer number (1309817012400).

Almost surely, 2^{22121221120010} is an apocalyptic number.

22121221120010 is a deficient number, since it is larger than the sum of its proper divisors (19792923276790).

22121221120010 is a wasteful number, since it uses less digits than its factorization.

22121221120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699326.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22121221120010 its reverse (1002112212122), we get a palindrome (23123333332132).

The spelling of 22121221120010 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, ten".