121020110112000 has 2304 divisors, whose sum is σ = 458605816381440. Its totient is φ = 28035072000000.

The previous prime is 121020110111951. The next prime is 121020110112049. The reversal of 121020110112000 is 211011020121.

It is an interprime number because it is at equal distance from previous prime (121020110111951) and next prime (121020110112049).

It is a super-3 number, since 3×121020110112000³ (a number of 43 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 446568671865 + ... + 446568672135.

It is an arithmetic number, because the mean of its divisors is an integer number (199047663360).

Almost surely, 2^{121020110112000} is an apocalyptic number.

121020110112000 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 121020110112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229302908190720).

121020110112000 is an abundant number, since it is smaller than the sum of its proper divisors (337585706269440).

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

121020110112000 is a wasteful number, since it uses less digits than its factorization.

121020110112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121020110112000 its reverse (211011020121), we get a palindrome (121231121132121).

The spelling of 121020110112000 in words is "one hundred twenty-one trillion, twenty billion, one hundred ten million, one hundred twelve thousand".