101001220011220 has 24 divisors (see below), whose sum is σ = 212144889626208. Its totient is φ = 40392425604000.

The previous prime is 101001220011203. The next prime is 101001220011221. The reversal of 101001220011220 is 22110022100101.

It is a self number, because there is not a number n which added to its sum of digits gives 101001220011220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001220011221) 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, 503797306 + ... + 503997745.

It is an arithmetic number, because the mean of its divisors is an integer number (8839370401092).

Almost surely, 2^{101001220011220} is an apocalyptic number.

101001220011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001220011220 is an abundant number, since it is smaller than the sum of its proper divisors (111143669614988).

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

101001220011220 is a wasteful number, since it uses less digits than its factorization.

101001220011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007800071 (or 1007800069 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101001220011220 its reverse (22110022100101), we get a palindrome (123111242111321).

The spelling of 101001220011220 in words is "one hundred one trillion, one billion, two hundred twenty million, eleven thousand, two hundred twenty".