101221110201100 has 36 divisors (see below), whose sum is σ = 222658710647464. Its totient is φ = 39933807857280.

The previous prime is 101221110200999. The next prime is 101221110201131. The reversal of 101221110201100 is 1102011122101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6932945454 + ... + 6932960053.

Almost surely, 2^{101221110201100} is an apocalyptic number.

101221110201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221110201100 is an abundant number, since it is smaller than the sum of its proper divisors (121437600446364).

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

101221110201100 is a wasteful number, since it uses less digits than its factorization.

101221110201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13865905594 (or 13865905587 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101221110201100 its reverse (1102011122101), we get a palindrome (102323121323201).

The spelling of 101221110201100 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred ten million, two hundred one thousand, one hundred".