101101221000220 has 24 divisors (see below), whose sum is σ = 242642930400864. Its totient is φ = 34663275771456.

The previous prime is 101101221000191. The next prime is 101101221000229. The reversal of 101101221000220 is 22000122101101.

It is a self number, because there is not a number n which added to its sum of digits gives 101101221000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101221000229) 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, 361075789147 + ... + 361075789426.

It is an arithmetic number, because the mean of its divisors is an integer number (10110122100036).

Almost surely, 2^{101101221000220} is an apocalyptic number.

101101221000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101101221000220 is an abundant number, since it is smaller than the sum of its proper divisors (141541709400644).

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

101101221000220 is a wasteful number, since it uses less digits than its factorization.

101101221000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722151578589 (or 722151578587 counting only the distinct ones).

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

Adding to 101101221000220 its reverse (22000122101101), we get a palindrome (123101343101321).

The spelling of 101101221000220 in words is "one hundred one trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty", and thus it is an aban number.