22121202010 has 64 divisors (see below), whose sum is σ = 42763489920. Its totient is φ = 8213287680.

The previous prime is 22121201989. The next prime is 22121202073. The reversal of 22121202010 is 1020212122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12214005 + ... + 12215815.

It is an arithmetic number, because the mean of its divisors is an integer number (668179530).

Almost surely, 2^22121202010 is an apocalyptic number.

22121202010 is a deficient number, since it is larger than the sum of its proper divisors (20642287910).

22121202010 is a wasteful number, since it uses less digits than its factorization.

22121202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22121202010 its reverse (1020212122), we get a palindrome (23141414132).

The spelling of 22121202010 in words is "twenty-two billion, one hundred twenty-one million, two hundred two thousand, ten".