121013201122110 has 320 divisors, whose sum is σ = 360046093575168. Its totient is φ = 28917362880000.

The previous prime is 121013201122097. The next prime is 121013201122133. The reversal of 121013201122110 is 11221102310121.

It is a happy number.

121013201122110 is a `hidden beast` number, since 1 + 2 + 101 + 320 + 11 + 221 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3568536055 + ... + 3568569965.

Almost surely, 2^{121013201122110} is an apocalyptic number.

121013201122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121013201122110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180023046787584).

121013201122110 is an abundant number, since it is smaller than the sum of its proper divisors (239032892453058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121013201122110 is a wasteful number, since it uses less digits than its factorization.

121013201122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39653 (or 39644 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121013201122110 its reverse (11221102310121), we get a palindrome (132234303432231).

The spelling of 121013201122110 in words is "one hundred twenty-one trillion, thirteen billion, two hundred one million, one hundred twenty-two thousand, one hundred ten".