Search a number
-
+
2221120321120 = 25529399472193
BaseRepresentation
bin100000010100100101000…
…101100111011001100000
321212100002200202000101001
4200110211011213121200
5242342323300233440
64420211340521344
7316320301136221
oct40244505473140
97770080660331
102221120321120
11786a76575928
122ba574850254
131315b23a547c
1479707965248
153cb9a719b9a
hex20525167660

2221120321120 has 48 divisors (see below), whose sum is σ = 5247586360800. Its totient is φ = 888416026624.

The previous prime is 2221120321099. The next prime is 2221120321141. The reversal of 2221120321120 is 211230211222.

It is an interprime number because it is at equal distance from previous prime (2221120321099) and next prime (2221120321141).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4467744 + ... + 4939936.

It is an arithmetic number, because the mean of its divisors is an integer number (109324715850).

Almost surely, 22221120321120 is an apocalyptic number.

2221120321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221120321120 is an abundant number, since it is smaller than the sum of its proper divisors (3026466039680).

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

2221120321120 is a wasteful number, since it uses less digits than its factorization.

2221120321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501607 (or 501599 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2221120321120 its reverse (211230211222), we get a palindrome (2432350532342).

The spelling of 2221120321120 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, three hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 29399 58798 117596 146995 235192 293990 470384 472193 587980 940768 944386 1175960 1888772 2351920 2360965 3777544 4703840 4721930 7555088 9443860 15110176 18887720 37775440 75550880 13882002007 27764004014 55528008028 69410010035 111056016056 138820020070 222112032112 277640040140 444224064224 555280080280 1110560160560 2221120321120