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101233221221 = 1110191119011
BaseRepresentation
bin101111001000111111…
…0000101111001100101
3100200022010011110201202
41132101332011321211
53124311201034341
6114301135132245
710212440116436
oct1362176057145
9320263143652
10101233221221
1139a295724a0
1217752974085
139714166142
144c84b5b48d
15297763879b
hex1791f85e65

101233221221 has 8 divisors (see below), whose sum is σ = 111529670688. Its totient is φ = 91119010000.

The previous prime is 101233221169. The next prime is 101233221227. The reversal of 101233221221 is 122122332101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101233221221 - 230 = 100159479397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101233221193 and 101233221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101233221227) 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, 45558395 + ... + 45560616.

It is an arithmetic number, because the mean of its divisors is an integer number (13941208836).

Almost surely, 2101233221221 is an apocalyptic number.

101233221221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101233221221 is a deficient number, since it is larger than the sum of its proper divisors (10296449467).

101233221221 is a wasteful number, since it uses less digits than its factorization.

101233221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91119123.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101233221221 its reverse (122122332101), we get a palindrome (223355553322).

It can be divided in two parts, 1012 and 33221221, that added together give a palindrome (33222233).

The spelling of 101233221221 in words is "one hundred one billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 11 101 1111 91119011 1002309121 9203020111 101233221221