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102120102122222 = 21012797180745463
BaseRepresentation
bin10111001110000010110000…
…011010010101001011101110
3111101120120211111111100002202
4113032002300122111023232
5101341113432120402342
61001105154405021502
730336635220634202
oct2716026032251356
9441516744440082
10102120102122222
112a5a198a423008
12b5536876b4892
1344c9b65a9c112
141b308d43ccb02
15bc15a16c6332
hex5ce0b06952ee

102120102122222 has 16 divisors (see below), whose sum is σ = 154752097331232. Its totient is φ = 50536431175200.

The previous prime is 102120102122201. The next prime is 102120102122237. The reversal of 102120102122222 is 222221201021201.

It is a junction number, because it is equal to n+sod(n) for n = 102120102122194 and 102120102122203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89807738 + ... + 90937725.

It is an arithmetic number, because the mean of its divisors is an integer number (9672006083202).

Almost surely, 2102120102122222 is an apocalyptic number.

102120102122222 is a deficient number, since it is larger than the sum of its proper divisors (52631995209010).

102120102122222 is a wasteful number, since it uses less digits than its factorization.

102120102122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180748363.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102120102122222 its reverse (222221201021201), we get a palindrome (324341303143423).

The spelling of 102120102122222 in words is "one hundred two trillion, one hundred twenty billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 101 202 2797 5594 282497 564994 180745463 361490926 18255291763 36510583526 505545060011 1011090120022 51060051061111 102120102122222