121111200212110 has 8 divisors (see below), whose sum is σ = 218000160381816. Its totient is φ = 48444480084840.

The previous prime is 121111200212083. The next prime is 121111200212111. The reversal of 121111200212110 is 11212002111121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111200212111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055560010596 + ... + 6055560010615.

It is an arithmetic number, because the mean of its divisors is an integer number (27250020047727).

Almost surely, 2^{121111200212110} is an apocalyptic number.

121111200212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111200212110 is a deficient number, since it is larger than the sum of its proper divisors (96888960169706).

121111200212110 is a wasteful number, since it uses less digits than its factorization.

121111200212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111120021218.

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

Adding to 121111200212110 its reverse (11212002111121), we get a palindrome (132323202323231).

The spelling of 121111200212110 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred million, two hundred twelve thousand, one hundred ten".