111002201120121 has 8 divisors (see below), whose sum is σ = 152003014146624. Its totient is φ = 72001427753520.

The previous prime is 111002201120119. The next prime is 111002201120203. The reversal of 111002201120121 is 121021102200111.

It is a happy number.

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

It is not a de Polignac number, because 111002201120121 - 2¹ = 111002201120119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111002201120121.

It is not an unprimeable number, because it can be changed into a prime (111002201128121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500009914845 + ... + 500009915066.

It is an arithmetic number, because the mean of its divisors is an integer number (19000376768328).

Almost surely, 2^{111002201120121} is an apocalyptic number.

It is an amenable number.

111002201120121 is a deficient number, since it is larger than the sum of its proper divisors (41000813026503).

111002201120121 is a wasteful number, since it uses less digits than its factorization.

111002201120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000019829951.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111002201120121 its reverse (121021102200111), we get a palindrome (232023303320232).

The spelling of 111002201120121 in words is "one hundred eleven trillion, two billion, two hundred one million, one hundred twenty thousand, one hundred twenty-one".