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1102101220212 = 223187434900057
BaseRepresentation
bin10000000010011010010…
…110100000101101110100
310220100201022212210222120
4100002122112200231310
5121024100403021322
62202144233555540
7142424044542666
oct20023226405564
93810638783876
101102101220212
11395442452923
12159717575bb0
137cc0a202645
143b4b0590536
151da051a9a5c
hex1009a5a0b74

1102101220212 has 24 divisors (see below), whose sum is σ = 2571707240256. Its totient is φ = 367347398208.

The previous prime is 1102101220141. The next prime is 1102101220219. The reversal of 1102101220212 is 2120221012011.

It is a junction number, because it is equal to n+sod(n) for n = 1102101220191 and 1102101220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102101220219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225113 + ... + 2674944.

It is an arithmetic number, because the mean of its divisors is an integer number (107154468344).

Almost surely, 21102101220212 is an apocalyptic number.

1102101220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102101220212 is an abundant number, since it is smaller than the sum of its proper divisors (1469606020044).

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

1102101220212 is a wasteful number, since it uses less digits than its factorization.

1102101220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918807 (or 4918805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1102101220212 its reverse (2120221012011), we get a palindrome (3222322232223).

The spelling of 1102101220212 in words is "one trillion, one hundred two billion, one hundred one million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 18743 37486 56229 74972 112458 224916 4900057 9800114 14700171 19600228 29400342 58800684 91841768351 183683536702 275525305053 367367073404 551050610106 1102101220212