120101110100220 has 48 divisors (see below), whose sum is σ = 336367879077888. Its totient is φ = 32018889284160.

The previous prime is 120101110100207. The next prime is 120101110100287. The reversal of 120101110100220 is 22001011101021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120101110100196 and 120101110100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252054036 + ... + 252530075.

It is an arithmetic number, because the mean of its divisors is an integer number (7007664147456).

Almost surely, 2^{120101110100220} is an apocalyptic number.

120101110100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101110100220 is an abundant number, since it is smaller than the sum of its proper divisors (216266768977668).

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

120101110100220 is a wasteful number, since it uses less digits than its factorization.

120101110100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504588090 (or 504588088 counting only the distinct ones).

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

Adding to 120101110100220 its reverse (22001011101021), we get a palindrome (142102121201241).

The spelling of 120101110100220 in words is "one hundred twenty trillion, one hundred one billion, one hundred ten million, one hundred thousand, two hundred twenty".