22221020122010 has 128 divisors (see below), whose sum is σ = 41887433318400. Its totient is φ = 8477785128960.

The previous prime is 22221020121991. The next prime is 22221020122013. The reversal of 22221020122010 is 1022102012222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22221020122010.

It is not an unprimeable number, because it can be changed into a prime (22221020122013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7777744502 + ... + 7777747358.

It is an arithmetic number, because the mean of its divisors is an integer number (327245572800).

Almost surely, 2^{22221020122010} is an apocalyptic number.

22221020122010 is a deficient number, since it is larger than the sum of its proper divisors (19666413196390).

22221020122010 is a wasteful number, since it uses less digits than its factorization.

22221020122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176.

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

Adding to 22221020122010 its reverse (1022102012222), we get a palindrome (23243122134232).

The spelling of 22221020122010 in words is "twenty-two trillion, two hundred twenty-one billion, twenty million, one hundred twenty-two thousand, ten".