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221102120012 = 223183163131797
BaseRepresentation
bin1100110111101010110…
…1101001110001001100
3210010200222122110011212
43031322231221301030
512110304120320022
6245323425433552
721655055003534
oct3157255516114
9703628573155
10221102120012
1185850423304
1236a2679b8b8
1317b0813a717
14a9b68d84c4
155b40d443e2
hex337ab69c4c

221102120012 has 48 divisors (see below), whose sum is σ = 406705431552. Its totient is φ = 105046683840.

The previous prime is 221102119999. The next prime is 221102120021. The reversal of 221102120012 is 210021201122.

It is a super-2 number, since 2×2211021200122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1611698 + ... + 1743494.

It is an arithmetic number, because the mean of its divisors is an integer number (8473029824).

Almost surely, 2221102120012 is an apocalyptic number.

It is an amenable number.

221102120012 is a deficient number, since it is larger than the sum of its proper divisors (185603311540).

221102120012 is a wasteful number, since it uses less digits than its factorization.

221102120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132078 (or 132076 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221102120012 its reverse (210021201122), we get a palindrome (431123321134).

The spelling of 221102120012 in words is "two hundred twenty-one billion, one hundred two million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 31 62 83 124 163 166 326 332 652 2573 5053 5146 10106 10292 13529 20212 27058 54116 131797 263594 419399 527188 838798 1677596 4085707 8171414 10939151 16342828 21482911 21878302 42965822 43756604 85931644 339113681 665970241 678227362 1331940482 1356454724 1783081613 2663880964 3566163226 7132326452 55275530003 110551060006 221102120012