220101210221012 has 12 divisors (see below), whose sum is σ = 385245254688756. Its totient is φ = 110031137452800.

The previous prime is 220101210221003. The next prime is 220101210221027. The reversal of 220101210221012 is 210122012101022.

It can be written as a sum of positive squares in 2 ways, for example, as 200522479075216 + 19578731145796 = 14160596^2 + 4424786^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4866888989 + ... + 4866934212.

It is an arithmetic number, because the mean of its divisors is an integer number (32103771224063).

Almost surely, 2^{220101210221012} is an apocalyptic number.

It is an amenable number.

220101210221012 is a deficient number, since it is larger than the sum of its proper divisors (165144044467744).

220101210221012 is a wasteful number, since it uses less digits than its factorization.

220101210221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733828858 (or 9733828856 counting only the distinct ones).

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

Adding to 220101210221012 its reverse (210122012101022), we get a palindrome (430223222322034).

The spelling of 220101210221012 in words is "two hundred twenty trillion, one hundred one billion, two hundred ten million, two hundred twenty-one thousand, twelve".