121002201110110 has 16 divisors (see below), whose sum is σ = 219802163486400. Its totient is φ = 47956835668896.

The previous prime is 121002201110099. The next prime is 121002201110117. The reversal of 121002201110110 is 11011102200121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002201110117) 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, 55505595750 + ... + 55505597929.

It is an arithmetic number, because the mean of its divisors is an integer number (13737635217900).

Almost surely, 2^{121002201110110} is an apocalyptic number.

121002201110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002201110110 is a deficient number, since it is larger than the sum of its proper divisors (98799962376290).

121002201110110 is a wasteful number, since it uses less digits than its factorization.

121002201110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111011193795.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121002201110110 its reverse (11011102200121), we get a palindrome (132013303310231).

The spelling of 121002201110110 in words is "one hundred twenty-one trillion, two billion, two hundred one million, one hundred ten thousand, one hundred ten".