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2122121022 = 237228722093
BaseRepresentation
bin111111001111100…
…1111111100111110
312110220010220202220
41332133033330332
513321230333042
6550324230210
7103405505520
oct17637177476
95426126686
102122121022
11999977a2a
124b283b366
1327a864818
14161ba7a10
15c64868ec
hex7e7cff3e

2122121022 has 32 divisors (see below), whose sum is σ = 4852902912. Its totient is φ = 606027744.

The previous prime is 2122121003. The next prime is 2122121041. The reversal of 2122121022 is 2201212212.

It is an interprime number because it is at equal distance from previous prime (2122121003) and next prime (2122121041).

It is a junction number, because it is equal to n+sod(n) for n = 2122120992 and 2122121010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85008 + ... + 107100.

It is an arithmetic number, because the mean of its divisors is an integer number (151653216).

Almost surely, 22122121022 is an apocalyptic number.

2122121022 is an abundant number, since it is smaller than the sum of its proper divisors (2730781890).

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

2122121022 is a wasteful number, since it uses less digits than its factorization.

2122121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24392.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2122121022 is about 46066.4848018600. The cubic root of 2122121022 is about 1285.0599318997.

Adding to 2122121022 its reverse (2201212212), we get a palindrome (4323333234).

The spelling of 2122121022 in words is "two billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 2287 4574 6861 13722 16009 22093 32018 44186 48027 66279 96054 132558 154651 309302 463953 927906 50526691 101053382 151580073 303160146 353686837 707373674 1061060511 2122121022