120102100220220 has 48 divisors (see below), whose sum is σ = 336291598692000. Its totient is φ = 32026682146816.

The previous prime is 120102100220213. The next prime is 120102100220227. The reversal of 120102100220220 is 22022001201021.

It is an interprime number because it is at equal distance from previous prime (120102100220213) and next prime (120102100220227).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120102100220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102100220227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13453845 + ... + 20523404.

It is an arithmetic number, because the mean of its divisors is an integer number (7006074972750).

Almost surely, 2^{120102100220220} is an apocalyptic number.

120102100220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102100220220 is an abundant number, since it is smaller than the sum of its proper divisors (216189498471780).

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

120102100220220 is a wasteful number, since it uses less digits than its factorization.

120102100220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34036174 (or 34036172 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120102100220220 its reverse (22022001201021), we get a palindrome (142124101421241).

The spelling of 120102100220220 in words is "one hundred twenty trillion, one hundred two billion, one hundred million, two hundred twenty thousand, two hundred twenty".