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2221220101112 = 2312749913733191
BaseRepresentation
bin100000010100101011000…
…010001111101111111000
321212100100122111100210022
4200110223002033233320
5242343024321213422
64420225303310012
7316322622224045
oct40245302175770
97770318440708
102221220101112
11787017927031
122ba5a214b308
131315c9c6ca9c
1479716cda1cc
153cba4379342
hex2052b08fbf8

2221220101112 has 64 divisors (see below), whose sum is σ = 4210375680000. Its totient is φ = 1098511666560.

The previous prime is 2221220101043. The next prime is 2221220101153. The reversal of 2221220101112 is 2111010221222.

It is a congruent number.

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, 696087437 + ... + 696090627.

It is an arithmetic number, because the mean of its divisors is an integer number (65787120000).

Almost surely, 22221220101112 is an apocalyptic number.

It is an amenable number.

2221220101112 is a deficient number, since it is larger than the sum of its proper divisors (1989155578888).

2221220101112 is a wasteful number, since it uses less digits than its factorization.

2221220101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2221220101112 its reverse (2111010221222), we get a palindrome (4332230322334).

The spelling of 2221220101112 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 127 254 499 508 998 1016 1373 1996 2746 3191 3992 5492 6382 10984 12764 25528 63373 126746 174371 253492 348742 405257 506984 685127 697484 810514 1370254 1394968 1592309 1621028 2740508 3184618 3242056 4381243 5481016 6369236 8762486 12738472 17524972 35049944 87011129 174022258 202223243 348044516 404446486 556417861 696089032 808892972 1112835722 1617785944 2186240257 2225671444 4372480514 4451342888 8744961028 17489922056 277652512639 555305025278 1110610050556 2221220101112