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2112111102010 = 2571317136529483
BaseRepresentation
bin11110101111000011101…
…000011100100000111010
321110220201122122220212111
4132233003220130200322
5234101100420231020
64254142423002534
7305411040101620
oct36570350344072
97426648586774
102112111102010
117448177220a8
122a141189944a
1312422c238460
14743261ad510
1539e1a5d1d5a
hex1ebc3a1c83a

2112111102010 has 64 divisors (see below), whose sum is σ = 4954381915392. Its totient is φ = 629127853056.

The previous prime is 2112111101963. The next prime is 2112111102011. The reversal of 2112111102010 is 102011112112.

It is a happy number.

It is a super-2 number, since 2×21121111020102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2112111102011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68249272 + ... + 68280211.

It is an arithmetic number, because the mean of its divisors is an integer number (77412217428).

Almost surely, 22112111102010 is an apocalyptic number.

2112111102010 is an abundant number, since it is smaller than the sum of its proper divisors (2842270813382).

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

2112111102010 is a wasteful number, since it uses less digits than its factorization.

2112111102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136529527.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2112111102010 its reverse (102011112112), we get a palindrome (2214122214122).

The spelling of 2112111102010 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one hundred two thousand, ten".

Divisors: 1 2 5 7 10 13 14 17 26 34 35 65 70 85 91 119 130 170 182 221 238 442 455 595 910 1105 1190 1547 2210 3094 7735 15470 136529483 273058966 682647415 955706381 1365294830 1774883279 1911412762 2321001211 3549766558 4642002422 4778531905 8874416395 9557063810 11605006055 12424182953 16247008477 17748832790 23210012110 24848365906 30173015743 32494016954 60346031486 62120914765 81235042385 124241829530 150865078715 162470084770 211211110201 301730157430 422422220402 1056055551005 2112111102010