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102101120110212 = 2238508426675851
BaseRepresentation
bin10111001101110001000100…
…111111101100111010000100
3111101111202211121111012211220
4113031301010333230322010
5101340311043222011322
61001052335042400340
730335363636330256
oct2715610477547204
9441452747435756
10102101120110212
112a594929593483
12b54ba6a6600b0
1344c812c28c052
141b2da133b7cd6
15bc0d3eee155c
hex5cdc44fece84

102101120110212 has 12 divisors (see below), whose sum is σ = 238235946923856. Its totient is φ = 34033706703400.

The previous prime is 102101120110211. The next prime is 102101120110219. The reversal of 102101120110212 is 212011021101201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 102101120110191 and 102101120110200.

It is not an unprimeable number, because it can be changed into a prime (102101120110211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4254213337914 + ... + 4254213337937.

It is an arithmetic number, because the mean of its divisors is an integer number (19852995576988).

Almost surely, 2102101120110212 is an apocalyptic number.

102101120110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102101120110212 is an abundant number, since it is smaller than the sum of its proper divisors (136134826813644).

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

102101120110212 is a wasteful number, since it uses less digits than its factorization.

102101120110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508426675858 (or 8508426675856 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102101120110212 its reverse (212011021101201), we get a palindrome (314112141211413).

The spelling of 102101120110212 in words is "one hundred two trillion, one hundred one billion, one hundred twenty million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 8508426675851 17016853351702 25525280027553 34033706703404 51050560055106 102101120110212