201121012222102 has 16 divisors (see below), whose sum is σ = 344780401519872. Its totient is φ = 86194338667560.

The previous prime is 201121012222063. The next prime is 201121012222133. The reversal of 201121012222102 is 201222210121102.

It is a self number, because there is not a number n which added to its sum of digits gives 201121012222102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28444618 + ... + 34804285.

It is an arithmetic number, because the mean of its divisors is an integer number (21548775094992).

Almost surely, 2^{201121012222102} is an apocalyptic number.

201121012222102 is a deficient number, since it is larger than the sum of its proper divisors (143659389297770).

201121012222102 is a wasteful number, since it uses less digits than its factorization.

201121012222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63476043.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201121012222102 its reverse (201222210121102), we get a palindrome (402343222343204).

The spelling of 201121012222102 in words is "two hundred one trillion, one hundred twenty-one billion, twelve million, two hundred twenty-two thousand, one hundred two".