22121102011210 has 16 divisors (see below), whose sum is σ = 39825424939392. Its totient is φ = 8846787178000.

The previous prime is 22121102011171. The next prime is 22121102011219. The reversal of 22121102011210 is 1211020112122.

It is not an unprimeable number, because it can be changed into a prime (22121102011219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206647126 + ... + 206754145.

It is an arithmetic number, because the mean of its divisors is an integer number (2489089058712).

Almost surely, 2^{22121102011210} is an apocalyptic number.

22121102011210 is a deficient number, since it is larger than the sum of its proper divisors (17704322928182).

22121102011210 is a wasteful number, since it uses less digits than its factorization.

22121102011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413406629.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22121102011210 its reverse (1211020112122), we get a palindrome (23332122123332).

It can be divided in two parts, 2 and 2121102011210, that added together give a palindrome (2121102011212).

The spelling of 22121102011210 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, eleven thousand, two hundred ten".