101221100312200 has 96 divisors (see below), whose sum is σ = 260942264608320. Its totient is φ = 36204268320000.

The previous prime is 101221100312089. The next prime is 101221100312201. The reversal of 101221100312200 is 2213001122101.

It is a super-2 number, since 2×101221100312200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221100312201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376993596 + ... + 377261995.

It is an arithmetic number, because the mean of its divisors is an integer number (2718148589670).

Almost surely, 2^{101221100312200} is an apocalyptic number.

101221100312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221100312200 is an abundant number, since it is smaller than the sum of its proper divisors (159721164296120).

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

101221100312200 is a wasteful number, since it uses less digits than its factorization.

101221100312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754255679 (or 754255670 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101221100312200 its reverse (2213001122101), we get a palindrome (103434101434301).

The spelling of 101221100312200 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred million, three hundred twelve thousand, two hundred".