101221110200 has 96 divisors (see below), whose sum is σ = 271732087200. Its totient is φ = 34346557440.

The previous prime is 101221110191. The next prime is 101221110203. The reversal of 101221110200 is 2011122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221110203) 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, 236885 + ... + 508484.

It is an arithmetic number, because the mean of its divisors is an integer number (2830542575).

Almost surely, 2^101221110200 is an apocalyptic number.

101221110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221110200 is an abundant number, since it is smaller than the sum of its proper divisors (170510977000).

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

101221110200 is a wasteful number, since it uses less digits than its factorization.

101221110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745489 (or 745480 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101221110200 its reverse (2011122101), we get a palindrome (103232232301).

The spelling of 101221110200 in words is "one hundred one billion, two hundred twenty-one million, one hundred ten thousand, two hundred".