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2221122102010 = 25725164787767
BaseRepresentation
bin100000010100100101001…
…100011010001011111010
321212100002211002111021221
4200110211030122023322
5242342324224231020
64420211443022254
7316320322234300
oct40244514321372
97770084074257
102221122102010
11786a77581939
122ba57536a98a
131315b2879c56
1479707caa270
153cb9a96c6aa
hex2052531a2fa

2221122102010 has 48 divisors (see below), whose sum is σ = 4650900747264. Its totient is φ = 761504156448.

The previous prime is 2221122101909. The next prime is 2221122102029. The reversal of 2221122102010 is 102012211222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25263147 + ... + 25350913.

It is an arithmetic number, because the mean of its divisors is an integer number (96893765568).

Almost surely, 22221122102010 is an apocalyptic number.

2221122102010 is an abundant number, since it is smaller than the sum of its proper divisors (2429778645254).

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

2221122102010 is a wasteful number, since it uses less digits than its factorization.

2221122102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139435 (or 139428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221122102010 its reverse (102012211222), we get a palindrome (2323134313232).

The spelling of 2221122102010 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 51647 87767 103294 175534 258235 361529 438835 516470 614369 723058 877670 1228738 1807645 2530703 3071845 3615290 4300583 5061406 6143690 8601166 12653515 21502915 25307030 43005830 4532902249 9065804498 22664511245 31730315743 45329022490 63460631486 158651578715 222112210201 317303157430 444224420402 1110561051005 2221122102010