121222020110000 has 150 divisors (see below), whose sum is σ = 293733024341196. Its totient is φ = 48448790000000.

The previous prime is 121222020109999. The next prime is 121222020110021. The reversal of 121222020110000 is 11020222121.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 37287608375 + ... + 37287611625.

Almost surely, 2^{121222020110000} is an apocalyptic number.

121222020110000 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 121222020110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146866512170598).

121222020110000 is an abundant number, since it is smaller than the sum of its proper divisors (172511004231196).

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

121222020110000 is an frugal number, since it uses more digits than its factorization.

121222020110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141 (or 5189 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121222020110000 its reverse (11020222121), we get a palindrome (121233040332121).

The spelling of 121222020110000 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twenty million, one hundred ten thousand".