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2221011201112 = 2311210122717159
BaseRepresentation
bin100000010100011110100…
…101010110110001011000
321212022211002102010212021
4200110132211112301120
5242342112331413422
64420152442024224
7316314504501124
oct40243645266130
97768732363767
102221011201112
11786a1aa15400
122ba5441a8074
131315958ba812
14796d727c584
153cb90d62dc7
hex2051e956c58

2221011201112 has 48 divisors (see below), whose sum is σ = 4622714888400. Its totient is φ = 999554952000.

The previous prime is 2221011201067. The next prime is 2221011201133. The reversal of 2221011201112 is 2111021101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11260812 + ... + 11456347.

It is an arithmetic number, because the mean of its divisors is an integer number (96306560175).

Almost surely, 22221011201112 is an apocalyptic number.

2221011201112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221011201112 is an abundant number, since it is smaller than the sum of its proper divisors (2401703687288).

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

2221011201112 is a wasteful number, since it uses less digits than its factorization.

2221011201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22717288 (or 22717273 counting only the distinct ones).

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

Adding to 2221011201112 its reverse (2111021101222), we get a palindrome (4332032302334).

The spelling of 2221011201112 in words is "two trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 101 121 202 242 404 484 808 968 1111 2222 4444 8888 12221 24442 48884 97768 22717159 45434318 90868636 181737272 249888749 499777498 999554996 1999109992 2294433059 2748776239 4588866118 5497552478 9177732236 10995104956 18355464472 21990209912 25238763649 50477527298 100955054596 201910109192 277626400139 555252800278 1110505600556 2221011201112