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2122111010 = 25212211101
BaseRepresentation
bin111111001111100…
…1101100000100010
312110220010102001002
41332133031200202
513321230023020
6550324112002
7103405434365
oct17637154042
95426112032
102122111010
11999970458
124b2835602
1327a8600b6
14161ba40dc
15c6483975
hex7e7cd822

2122111010 has 8 divisors (see below), whose sum is σ = 3819799836. Its totient is φ = 848844400.

The previous prime is 2122110979. The next prime is 2122111027. The reversal of 2122111010 is 101112212.

It can be written as a sum of positive squares in 2 ways, for example, as 2015381449 + 106729561 = 44893^2 + 10331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2122110982 and 2122111000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106105541 + ... + 106105560.

Almost surely, 22122111010 is an apocalyptic number.

2122111010 is a deficient number, since it is larger than the sum of its proper divisors (1697688826).

2122111010 is a wasteful number, since it uses less digits than its factorization.

2122111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212211108.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2122111010 is about 46066.3761327066. The cubic root of 2122111010 is about 1285.0579109593.

Adding to 2122111010 its reverse (101112212), we get a palindrome (2223223222).

The spelling of 2122111010 in words is "two billion, one hundred twenty-two million, one hundred eleven thousand, ten".

Divisors: 1 2 5 10 212211101 424422202 1061055505 2122111010