201222101021012 has 24 divisors (see below), whose sum is σ = 352787572368000. Its totient is φ = 100425709887776.

The previous prime is 201222101020943. The next prime is 201222101021021. The reversal of 201222101021012 is 210120101222102.

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 7 ways as a sum of consecutive naturals, for example, 6594914 + ... + 21117222.

It is an arithmetic number, because the mean of its divisors is an integer number (14699482182000).

Almost surely, 2^{201222101021012} is an apocalyptic number.

It is an amenable number.

201222101021012 is a deficient number, since it is larger than the sum of its proper divisors (151565471346988).

201222101021012 is a wasteful number, since it uses less digits than its factorization.

201222101021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14528695 (or 14528693 counting only the distinct ones).

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

Adding to 201222101021012 its reverse (210120101222102), we get a palindrome (411342202243114).

The spelling of 201222101021012 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, twelve".