121010101120000 has 220 divisors, whose sum is σ = 302346073767496. Its totient is φ = 48393584640000.

The previous prime is 121010101119997. The next prime is 121010101120019. The reversal of 121010101120000 is 21101010121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3406702240 + ... + 3406737760.

Almost surely, 2^{121010101120000} is an apocalyptic number.

121010101120000 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 121010101120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151173036883748).

121010101120000 is an abundant number, since it is smaller than the sum of its proper divisors (181335972647496).

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

121010101120000 is an frugal number, since it uses more digits than its factorization.

121010101120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40884 (or 40851 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121010101120000 its reverse (21101010121), we get a palindrome (121031202130121).

The spelling of 121010101120000 in words is "one hundred twenty-one trillion, ten billion, one hundred one million, one hundred twenty thousand".