22001220212102 has 16 divisors (see below), whose sum is σ = 33806960835072. Its totient is φ = 10735073233920.

The previous prime is 22001220211967. The next prime is 22001220212107. The reversal of 22001220212102 is 20121202210022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001220212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709976123 + ... + 710007110.

It is an arithmetic number, because the mean of its divisors is an integer number (2112935052192).

Almost surely, 2^{22001220212102} is an apocalyptic number.

22001220212102 is a deficient number, since it is larger than the sum of its proper divisors (11805740622970).

22001220212102 is a wasteful number, since it uses less digits than its factorization.

22001220212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419983423.

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

Adding to 22001220212102 its reverse (20121202210022), we get a palindrome (42122422422124).

The spelling of 22001220212102 in words is "twenty-two trillion, one billion, two hundred twenty million, two hundred twelve thousand, one hundred two".