101201020122210 has 32 divisors (see below), whose sum is σ = 242883500797440. Its totient is φ = 26986821754368.

The previous prime is 101201020122199. The next prime is 101201020122217. The reversal of 101201020122210 is 12221020102101.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101201020122210.

It is not an unprimeable number, because it can be changed into a prime (101201020122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155922 + ... + 14227661.

It is an arithmetic number, because the mean of its divisors is an integer number (7590109399920).

Almost surely, 2^{101201020122210} is an apocalyptic number.

101201020122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101201020122210 is an abundant number, since it is smaller than the sum of its proper divisors (141682480675230).

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

101201020122210 is a wasteful number, since it uses less digits than its factorization.

101201020122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14618122.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101201020122210 its reverse (12221020102101), we get a palindrome (113422040224311).

The spelling of 101201020122210 in words is "one hundred one trillion, two hundred one billion, twenty million, one hundred twenty-two thousand, two hundred ten".