120101000100220 has 24 divisors (see below), whose sum is σ = 252214551134784. Its totient is φ = 48039933197376.

The previous prime is 120101000100149. The next prime is 120101000100223. The reversal of 120101000100220 is 22001000101021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120101000100197 and 120101000100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101000100223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27064387 + ... + 31187866.

It is an arithmetic number, because the mean of its divisors is an integer number (10508939630616).

Almost surely, 2^{120101000100220} is an apocalyptic number.

120101000100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101000100220 is an abundant number, since it is smaller than the sum of its proper divisors (132113551034564).

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

120101000100220 is a wasteful number, since it uses less digits than its factorization.

120101000100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58355349 (or 58355347 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120101000100220 its reverse (22001000101021), we get a palindrome (142102000201241).

The spelling of 120101000100220 in words is "one hundred twenty trillion, one hundred one billion, one hundred thousand, two hundred twenty".