121010010111120 has 320 divisors, whose sum is σ = 421701228393984. Its totient is φ = 28481898086400.

The previous prime is 121010010111101. The next prime is 121010010111157. The reversal of 121010010111120 is 21111010010121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 121010010111096 and 121010010111105.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203285920 + ... + 203880320.

Almost surely, 2^{121010010111120} is an apocalyptic number.

121010010111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121010010111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210850614196992).

121010010111120 is an abundant number, since it is smaller than the sum of its proper divisors (300691218282864).

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

121010010111120 is a wasteful number, since it uses less digits than its factorization.

121010010111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597290 (or 597284 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121010010111120 its reverse (21111010010121), we get a palindrome (142121020121241).

The spelling of 121010010111120 in words is "one hundred twenty-one trillion, ten billion, ten million, one hundred eleven thousand, one hundred twenty".