120101200102170 has 144 divisors (see below), whose sum is σ = 373062934887552. Its totient is φ = 26258150508480.

The previous prime is 120101200102151. The next prime is 120101200102171. The reversal of 120101200102170 is 71201002101021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120101200102171) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 179852766 + ... + 180519305.

It is an arithmetic number, because the mean of its divisors is an integer number (2590714825608).

Almost surely, 2^{120101200102170} is an apocalyptic number.

120101200102170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120101200102170 is an abundant number, since it is smaller than the sum of its proper divisors (252961734785382).

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

120101200102170 is a wasteful number, since it uses less digits than its factorization.

120101200102170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360372137 (or 360372111 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 120101200102170 its reverse (71201002101021), we get a palindrome (191302202203191).

The spelling of 120101200102170 in words is "one hundred twenty trillion, one hundred one billion, two hundred million, one hundred two thousand, one hundred seventy".