201121222120102 has 8 divisors (see below), whose sum is σ = 302195771568936. Its totient is φ = 100389298263792.

The previous prime is 201121222120081. The next prime is 201121222120141. The reversal of 201121222120102 is 201021222121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201121222120102.

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, 85656396663 + ... + 85656399010.

It is an arithmetic number, because the mean of its divisors is an integer number (37774471446117).

Almost surely, 2^{201121222120102} is an apocalyptic number.

201121222120102 is a deficient number, since it is larger than the sum of its proper divisors (101074549448834).

201121222120102 is a wasteful number, since it uses less digits than its factorization.

201121222120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171312796262.

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

Adding to 201121222120102 its reverse (201021222121102), we get a palindrome (402142444241204).

The spelling of 201121222120102 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, one hundred two".