120101021101220 has 192 divisors, whose sum is σ = 268885750694400. Its totient is φ = 44965392924672.

The previous prime is 120101021101181. The next prime is 120101021101393. The reversal of 120101021101220 is 22101120101021.

It is a junction number, because it is equal to n+sod(n) for n = 120101021101195 and 120101021101204.

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, 9168710231 + ... + 9168723329.

It is an arithmetic number, because the mean of its divisors is an integer number (1400446618200).

Almost surely, 2^{120101021101220} is an apocalyptic number.

120101021101220 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 120101021101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134442875347200).

120101021101220 is an abundant number, since it is smaller than the sum of its proper divisors (148784729593180).

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

120101021101220 is a wasteful number, since it uses less digits than its factorization.

120101021101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15334 (or 15332 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120101021101220 its reverse (22101120101021), we get a palindrome (142202141202241).

The spelling of 120101021101220 in words is "one hundred twenty trillion, one hundred one billion, twenty-one million, one hundred one thousand, two hundred twenty".