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102121001222 = 21910126607869
BaseRepresentation
bin101111100011011100…
…0101101000100000110
3100202120222200100221112
41133012320231010012
53133120434014342
6114525211245022
710243440121352
oct1370670550406
9322528610845
10102121001222
113a344708779
1217960149772
139826071656
144d2aa16462
1529ca54e682
hex17c6e2d106

102121001222 has 16 divisors (see below), whose sum is σ = 162840164400. Its totient is φ = 47894162400.

The previous prime is 102121001201. The next prime is 102121001237. The reversal of 102121001222 is 222100121201.

It is a junction number, because it is equal to n+sod(n) for n = 102121001197 and 102121001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13300097 + ... + 13307772.

It is an arithmetic number, because the mean of its divisors is an integer number (10177510275).

Almost surely, 2102121001222 is an apocalyptic number.

102121001222 is a deficient number, since it is larger than the sum of its proper divisors (60719163178).

102121001222 is a wasteful number, since it uses less digits than its factorization.

102121001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26607991.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102121001222 its reverse (222100121201), we get a palindrome (324221122423).

The spelling of 102121001222 in words is "one hundred two billion, one hundred twenty-one million, one thousand, two hundred twenty-two".

Divisors: 1 2 19 38 101 202 1919 3838 26607869 53215738 505549511 1011099022 2687394769 5374789538 51060500611 102121001222