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1102221110221 = 711113550723003
BaseRepresentation
bin10000000010100001011…
…111110110101111001101
310220101000200110212011021
4100002201133312233031
5121024322101011341
62202204155354141
7142430031565360
oct20024137665715
93811020425137
101102221110221
113954a4099a80
1215974b752951
137cc28cbb48a
143b4c247c0d7
151da1098c9d1
hex100a17f6bcd

1102221110221 has 32 divisors (see below), whose sum is σ = 1386670814208. Its totient is φ = 851081360640.

The previous prime is 1102221110191. The next prime is 1102221110261. The reversal of 1102221110221 is 1220111222011.

It is not a de Polignac number, because 1102221110221 - 25 = 1102221110189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102221110195 and 1102221110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102221110261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47904906 + ... + 47927908.

It is an arithmetic number, because the mean of its divisors is an integer number (43333462944).

Almost surely, 21102221110221 is an apocalyptic number.

1102221110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102221110221 is a deficient number, since it is larger than the sum of its proper divisors (284449703987).

1102221110221 is a wasteful number, since it uses less digits than its factorization.

1102221110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28641.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1102221110221 its reverse (1220111222011), we get a palindrome (2322332332232).

The spelling of 1102221110221 in words is "one trillion, one hundred two billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 7 11 77 113 791 1243 5507 8701 23003 38549 60577 161021 253033 424039 622291 1771231 2599339 4356037 6845201 18195373 28592729 47916407 126677521 200149103 886742647 1393452731 9754169117 14314559873 100201919111 157460158603 1102221110221